{"schema_version":"public-product-v1.1","generated_at":"2026-07-21T10:09:44Z","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","cve":{"id":"CVE-2023-20081","kev":false,"epss":{"score":0.00678,"percentile":0.48217,"score_date":"2026-07-19","updated_at":"2026-07-20T05:46:49Z"}},"freshness":{"last_source_refreshed_at":"2026-07-21T05:16:34Z","latest_source_refresh_at":"2026-07-21T05:16:34Z","oldest_source_refresh_at":"2026-07-21T03:00:03Z","all_sources_fresh":true,"sources":[{"source":"cisco_advisories","label":"Cisco advisories","last_success_at":"2026-07-21T03:00:03Z","stale":false},{"source":"cisco_csaf","label":"Cisco CSAF","last_success_at":"2026-07-21T05:14:24Z","stale":false},{"source":"nvd_cves","label":"NVD CVEs","last_success_at":"2026-07-21T05:16:30Z","stale":false},{"source":"cisa_kev","label":"CISA KEV","last_success_at":"2026-07-21T05:16:31Z","stale":false},{"source":"first_epss","label":"EPSS","last_success_at":"2026-07-21T05:16:34Z","stale":false}]},"summary":{"advisory_count":1,"visible_product_count":13,"public_evidence_count":13,"kev":false},"advisories":[{"id":"cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","slug":"cisco-sa-asaftdios-dhcpv6-cli-zf3ztv","title":"Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"}],"public_evidence":[{"product":{"name":"Cisco IOS","slug":"cisco-ios","vendor":"Cisco"},"advisory":{"id":"cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","slug":"cisco-sa-asaftdios-dhcpv6-cli-zf3ztv","title":"Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known affected"},"evidence_source":"Cisco CSAF","source":"Cisco CSAF","source_document_fetched_at":"2026-07-20T02:59:49Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"12.2(46)SE; 12.2(50)SE; 12.2(50)SE1; 12.2(50)SE2; 12.2(50)SE3; 12.2(50)SE4; 12.2(50)SE5; 12.2(52)EX; 12.2(52)EX1; 12.2(52)EY; 12.2(52)EY1; 12.2(52)EY1a; 12.2(52)EY1b; 12.2(52)EY1c; 12.2(52)EY2; 12.2(52)EY2a; 12.2(52)EY3; 12.2(52)EY3a; 12.2(52)EY4; 12.2(52)SE; 12.2(52)SE1; 12.2(52)SG; 12.2(52)XO; 12.2(53)EX; 12.2(53)SE; 12.2(53)SE1; 12.2(53)SE2; 12.2(53)SG; 12.2(53)SG1; 12.2(53)SG10; 12.2(53)SG11; 12.2(53)SG2; 12.2(53)SG3; 12.2(53)SG4; 12.2(53)SG5; 12.2(53)SG6; 12.2(53)SG7; 12.2(53)SG8; 12.2(53)SG9; 12.2(54)SE; 12.2(54)SG; 12.2(54)SG1; 12.2(54)WO; 12.2(54)XO; 12.2(55)EX; 12.2(55)EX1; 12.2(55)EX2; 12.2(55)EX3; 12.2(55)EY; 12.2(55)SE; 12.2(55)SE1; 12.2(55)SE10; 12.2(55)SE11; 12.2(55)SE12; 12.2(55)SE13; 12.2(55)SE13a; 12.2(55)SE2; 12.2(55)SE3; 12.2(55)SE4; 12.2(55)SE5; 12.2(55)SE6; 12.2(55)SE7; 12.2(55)SE8; 12.2(55)SE9; 12.2(58)EX; 12.2(58)EY; 12.2(58)EY1; 12.2(58)EY2; 12.2(58)EZ; 12.2(58)SE; 12.2(58)SE1; 12.2(58)SE2; 12.2(6)I1; 12.2(60)EZ; 12.2(60)EZ1; 12.2(60)EZ10; 12.2(60)EZ11; 12.2(60)EZ12; 12.2(60)EZ13; 12.2(60)EZ14; 12.2(60)EZ15; 12.2(60)EZ2; 12.2(60)EZ3; 12.2(60)EZ4; 12.2(60)EZ5; 12.2(60)EZ6; 12.2(60)EZ7; 12.2(60)EZ8; 12.2(60)EZ9; 12.4(24)MDA; 12.4(24)MDA1; 12.4(24)MDA10; 12.4(24)MDA11; 12.4(24)MDA12; 12.4(24)MDA13; 12.4(24)MDA2; 12.4(24)MDA3; 12.4(24)MDA4; 12.4(24)MDA5; 12.4(24)MDA6; 12.4(24)MDA7; 12.4(24)MDA8; 12.4(24)MDA9; 12.4(24)MDB; 12.4(24)MDB1; 12.4(24)MDB10; 12.4(24)MDB11; 12.4(24)MDB12; 12.4(24)MDB13; 12.4(24)MDB14; 12.4(24)MDB15; 12.4(24)MDB16; 12.4(24)MDB17; 12.4(24)MDB18; 12.4(24)MDB19; 12.4(24)MDB3; 12.4(24)MDB4; 12.4(24)MDB5; 12.4(24)MDB5a; 12.4(24)MDB6; 12.4(24)MDB7; 12.4(24)MDB8; 12.4(24)MDB9; 12.4(24)T; 12.4(24)T1; 12.4(24)T10; 12.4(24)T11; 12.4(24)T12; 12.4(24)T2; 12.4(24)T3; 12.4(24)T3e; 12.4(24)T3f; 12.4(24)T4; 12.4(24)T4a; 12.4(24)T4b; 12.4(24)T4c; 12.4(24)T4d; 12.4(24)T4e; 12.4(24)T4f; 12.4(24)T4g; 12.4(24)T4h; 12.4(24)T4i; 12.4(24)T4j; 12.4(24)T4k; 12.4(24)T4l; 12.4(24)T4m; 12.4(24)T4n; 12.4(24)T4o; 12.4(24)T5; 12.4(24)T6; 12.4(24)T7; 12.4(24)T8; 12.4(24)T9; 12.4(24)YS; 12.4(24)YS1; 12.4(24)YS10; 12.4(24)YS2; 12.4(24)YS3; 12.4(24)YS4; 12.4(24)YS5; 12.4(24)YS6; 12.4(24)YS7; 12.4(24)YS8; 12.4(24)YS8a; 12.4(24)YS9; 15.0(1)EX; 15.0(1)EY1; 15.0(1)M; 15.0(1)M1; 15.0(1)M10; 15.0(1)M2; 15.0(1)M3; 15.0(1)M4; 15.0(1)M5; 15.0(1)M6; 15.0(1)M6a; 15.0(1)M7; 15.0(1)M8; 15.0(1)M9; 15.0(1)SE; 15.0(1)SE1; 15.0(1)SE2; 15.0(1)SE3; 15.0(1)XA; 15.0(1)XA1; 15.0(1)XA2; 15.0(1)XA3; 15.0(1)XA4; 15.0(1)XA5; 15.0(1)XO; 15.0(1)XO1; 15.0(2)EJ; 15.0(2)EJ1; 15.0(2)EK; 15.0(2)EK1; 15.0(2)EX; 15.0(2)EX1; 15.0(2)EX10; 15.0(2)EX11; 15.0(2)EX12; 15.0(2)EX13; 15.0(2)EX2; 15.0(2)EX3; 15.0(2)EX4; 15.0(2)EX5; 15.0(2)EX6; 15.0(2)EX7; 15.0(2)EX8; 15.0(2)EY; 15.0(2)EY1; 15.0(2)EY2; 15.0(2)EY3; 15.0(2)EZ; 15.0(2)SE; 15.0(2)SE1; 15.0(2)SE10; 15.0(2)SE10a; 15.0(2)SE11; 15.0(2)SE12; 15.0(2)SE13; 15.0(2)SE13a; 15.0(2)SE13b; 15.0(2)SE13c; 15.0(2)SE2; 15.0(2)SE3; 15.0(2)SE4; 15.0(2)SE5; 15.0(2)SE6; 15.0(2)SE7; 15.0(2)SE8; 15.0(2)SE9; 15.0(2)SQD; 15.0(2)SQD1; 15.0(2)SQD2; 15.0(2)SQD3; 15.0(2)SQD4; 15.0(2)SQD5; 15.0(2)SQD6; 15.0(2)SQD7; 15.0(2)SQD8; 15.0(2)XO; 15.0(2a)EX5; 15.0(2a)SE9; 15.1(1)T; 15.1(1)T1; 15.1(1)T2; 15.1(1)T3; 15.1(1)T4; 15.1(1)T5; 15.1(1)XB; 15.1(1)XB1; 15.1(1)XB2; 15.1(1)XB3; 15.1(2)GC; 15.1(2)GC1; 15.1(2)GC2; 15.1(2)T; 15.1(2)T0a; 15.1(2)T1; 15.1(2)T2; 15.1(2)T2a; 15.1(2)T3; 15.1(2)T4; 15.1(2)T5; 15.1(3)SVR1; 15.1(3)SVR10; 15.1(3)SVR2; 15.1(3)SVR3; 15.1(3)SVS; 15.1(3)SVS1; 15.1(3)SVT1; 15.1(3)SVT2; 15.1(3)SVT3; 15.1(3)SVT4; 15.1(3)SVU1; 15.1(3)SVU10; 15.1(3)SVU11; 15.1(3)SVU2; 15.1(3)SVU20; 15.1(3)SVU21; 15.1(3)SVV1; 15.1(3)SVV2; 15.1(3)SVV3; 15.1(3)SVV4; 15.1(3)SVW; 15.1(3)SVW1; 15.1(3)SVX; 15.1(3)SVX1; 15.1(3)T; 15.1(3)T1; 15.1(3)T2; 15.1(3)T3; 15.1(3)T4; 15.1(4)GC; 15.1(4)GC1; 15.1(4)GC2; 15.1(4)M; 15.1(4)M0a; 15.1(4)M0b; 15.1(4)M1; 15.1(4)M10; 15.1(4)M12a; 15.1(4)M2; 15.1(4)M3; 15.1(4)M3a; 15.1(4)M4; 15.1(4)M5; 15.1(4)M6; 15.1(4)M7; 15.1(4)M8; 15.1(4)M9; 15.1(4)XB4; 15.1(4)XB5; 15.1(4)XB5a; 15.1(4)XB6; 15.1(4)XB7; 15.1(4)XB8; 15.1(4)XB8a; 15.2(1)E; 15.2(1)E1; 15.2(1)E2; 15.2(1)E3; 15.2(1)EY; 15.2(1)GC; 15.2(1)GC1; 15.2(1)GC2; 15.2(1)SY; 15.2(1)SY0a; 15.2(1)SY1; 15.2(1)SY1a; 15.2(1)SY2; 15.2(1)SY3; 15.2(1)SY4; 15.2(1)SY5; 15.2(1)SY6; 15.2(1)SY7; 15.2(1)SY8; 15.2(2)E; 15.2(2)E1; 15.2(2)E10; 15.2(2)E10a; 15.2(2)E10b; 15.2(2)E10c; 15.2(2)E2; 15.2(2)E3; 15.2(2)E4; 15.2(2)E5; 15.2(2)E5a; 15.2(2)E5b; 15.2(2)E6; 15.2(2)E7; 15.2(2)E8; 15.2(2)E9; 15.2(2)E9a; 15.2(2)EA; 15.2(2)EA1; 15.2(2)EA2; 15.2(2)EA3; 15.2(2)EB; 15.2(2)EB1; 15.2(2)EB2; 15.2(2)GC; 15.2(2)JN2; 15.2(2)SY; 15.2(2)SY1; 15.2(2)SY2; 15.2(2)SY3; 15.2(2a)E1; 15.2(2a)E2; 15.2(2b)E; 15.2(3)E; 15.2(3)E1; 15.2(3)E2; 15.2(3)E3; 15.2(3)E4; 15.2(3)EA; 15.2(3)GC; 15.2(3)GC1; 15.2(3a)E; 15.2(3m)E2; 15.2(3m)E7; 15.2(3m)E8; 15.2(4)E; 15.2(4)E1; 15.2(4)E10; 15.2(4)E10a; 15.2(4)E10b; 15.2(4)E10c; 15.2(4)E10d; 15.2(4)E2; 15.2(4)E3; 15.2(4)E4; 15.2(4)E5; 15.2(4)E6; 15.2(4)E7; 15.2(4)E8; 15.2(4)E9; 15.2(4)EA; 15.2(4)EA1; 15.2(4)EA2; 15.2(4)EA3; 15.2(4)EA4; 15.2(4)EA5; 15.2(4)EA6; 15.2(4)EA7; 15.2(4)EA8; 15.2(4)EA9; 15.2(4)EA9a; 15.2(4)EC1; 15.2(4)EC2; 15.2(4)GC; 15.2(4)GC1; 15.2(4)GC2; 15.2(4)GC3; 15.2(4)JAZ; 15.2(4)JB; 15.2(4)JB1; 15.2(4)JB2; 15.2(4)JB3; 15.2(4)JB3a; 15.2(4)JB3b; 15.2(4)JB3h; 15.2(4)JB4; 15.2(4)JB5; 15.2(4)JB5h; 15.2(4)JB6; 15.2(4)JN; 15.2(4)M; 15.2(4)M1; 15.2(4)M10; 15.2(4)M11; 15.2(4)M2; 15.2(4)M3; 15.2(4)M4; 15.2(4)M5; 15.2(4)M6; 15.2(4)M6a; 15.2(4)M6b; 15.2(4)M7; 15.2(4)M8; 15.2(4)M9; 15.2(4m)E1; 15.2(4m)E2; 15.2(4m)E3; 15.2(4n)E2; 15.2(4o)E2; 15.2(4o)E3; 15.2(4p)E1; 15.2(4q)E1; 15.2(4s)E1; 15.2(5)E; 15.2(5)E1; 15.2(5)E2; 15.2(5)E2c; 15.2(5)EA; 15.2(5)EX; 15.2(5a)E; 15.2(5a)E1; 15.2(5b)E; 15.2(5c)E; 15.2(6)E; 15.2(6)E0a; 15.2(6)E0c; 15.2(6)E1; 15.2(6)E1a; 15.2(6)E1s; 15.2(6)E2; 15.2(6)E2a; 15.2(6)E2b; 15.2(6)E3; 15.2(6)EB; 15.2(7)E; 15.2(7)E0a; 15.2(7)E0b; 15.2(7)E0s; 15.2(7)E1; 15.2(7)E1a; 15.2(7)E2; 15.2(7)E2a; 15.2(7)E2b; 15.2(7)E3; 15.2(7)E3k; 15.2(7)E4; 15.2(7)E5; 15.2(7)E6; 15.2(7)E7; 15.2(7a)E0b; 15.2(7b)E0b; 15.2(8)E; 15.2(8)E1; 15.2(8)E2; 15.3(0)SY; 15.3(1)SY; 15.3(1)SY1; 15.3(1)SY2; 15.3(1)T; 15.3(1)T1; 15.3(1)T2; 15.3(1)T3; 15.3(1)T4; 15.3(2)T; 15.3(2)T1; 15.3(2)T2; 15.3(2)T3; 15.3(2)T4; 15.3(3)JA1; 15.3(3)JA10; 15.3(3)JA11; 15.3(3)JA12; 15.3(3)JA1m; 15.3(3)JA3; 15.3(3)JA4; 15.3(3)JA5; 15.3(3)JA6; 15.3(3)JA7; 15.3(3)JA8; 15.3(3)JAA; 15.3(3)JAB; 15.3(3)JAX; 15.3(3)JAX1; 15.3(3)JAX2; 15.3(3)JB; 15.3(3)JBB; 15.3(3)JBB1; 15.3(3)JBB2; 15.3(3)JBB4; 15.3(3)JBB5; 15.3(3)JBB6; 15.3(3)JBB6a; 15.3(3)JBB8; 15.3(3)JC; 15.3(3)JC1; 15.3(3)JC14; 15.3(3)JC2; 15.3(3)JC3; 15.3(3)JC4; 15.3(3)JC5; 15.3(3)JC6; 15.3(3)JC8; 15.3(3)JC9; 15.3(3)JD; 15.3(3)JD11; 15.3(3)JD12; 15.3(3)JD13; 15.3(3)JD14; 15.3(3)JD16; 15.3(3)JD17; 15.3(3)JD2; 15.3(3)JD3; 15.3(3)JD4; 15.3(3)JD5; 15.3(3)JD6; 15.3(3)JD7; 15.3(3)JD8; 15.3(3)JD9; 15.3(3)JDA17; 15.3(3)JE; 15.3(3)JF; 15.3(3)JF1; 15.3(3)JF10; 15.3(3)JF11; 15.3(3)JF12; 15.3(3)JF12i; 15.3(3)JF14; 15.3(3)JF14i; 15.3(3)JF15; 15.3(3)JF2; 15.3(3)JF4; 15.3(3)JF5; 15.3(3)JF6; 15.3(3)JF7; 15.3(3)JF8; 15.3(3)JF9; 15.3(3)JG; 15.3(3)JG1; 15.3(3)JH; 15.3(3)JH1; 15.3(3)JI1; 15.3(3)JI3; 15.3(3)JI4; 15.3(3)JI5; 15.3(3)JI6; 15.3(3)JJ; 15.3(3)JJ1; 15.3(3)JK; 15.3(3)JK1; 15.3(3)JK1t; 15.3(3)JK2; 15.3(3)JK2a; 15.3(3)JK3; 15.3(3)JK4; 15.3(3)JK5; 15.3(3)JK6; 15.3(3)JK7; 15.3(3)JK8; 15.3(3)JN; 15.3(3)JN11; 15.3(3)JN13; 15.3(3)JN14; 15.3(3)JN15; 15.3(3)JN3; 15.3(3)JN4; 15.3(3)JN6; 15.3(3)JN7; 15.3(3)JN8; 15.3(3)JN9; 15.3(3)JNB; 15.3(3)JNB1; 15.3(3)JNB2; 15.3(3)JNB3; 15.3(3)JNB4; 15.3(3)JNB5; 15.3(3)JNB6; 15.3(3)JNC; 15.3(3)JNC1; 15.3(3)JNC2; 15.3(3)JNC3; 15.3(3)JNC4; 15.3(3)JND; 15.3(3)JND1; 15.3(3)JND2; 15.3(3)JND3; 15.3(3)JNP; 15.3(3)JNP1; 15.3(3)JNP3; 15.3(3)JPB; 15.3(3)JPB1; 15.3(3)JPC; 15.3(3)JPC1; 15.3(3)JPC100; 15.3(3)JPC2; 15.3(3)JPC3; 15.3(3)JPC5; 15.3(3)JPD; 15.3(3)JPI1; 15.3(3)JPI10; 15.3(3)JPI11; 15.3(3)JPI1t; 15.3(3)JPI4; 15.3(3)JPI5; 15.3(3)JPI5s; 15.3(3)JPI6a; 15.3(3)JPI7; 15.3(3)JPI8a; 15.3(3)JPI9; 15.3(3)JPJ2; 15.3(3)JPJ2t; 15.3(3)JPJ3; 15.3(3)JPJ3a; 15.3(3)JPJ4; 15.3(3)JPJ5; 15.3(3)JPJ6; 15.3(3)JPJ7; 15.3(3)JPJ7c; 15.3(3)JPJ8a; 15.3(3)JPJ8b; 15.3(3)JPJ9; 15.3(3)JPK; 15.3(3)JPK1; 15.3(3)JPK2; 15.3(3)JPK3; 15.3(3)JPK4; 15.3(3)JPK5; 15.3(3)JPL; 15.3(3)JPM; 15.3(3)JPN; 15.3(3)JPN1; 15.3(3)M; 15.3(3)M1; 15.3(3)M10; 15.3(3)M2; 15.3(3)M3; 15.3(3)M4; 15.3(3)M5; 15.3(3)M6; 15.3(3)M7; 15.3(3)M8; 15.3(3)M8a; 15.3(3)M9; 15.3(3)XB12; 15.4(1)CG; 15.4(1)CG1; 15.4(1)SY; 15.4(1)SY1; 15.4(1)SY2; 15.4(1)SY3; 15.4(1)SY4; 15.4(1)T; 15.4(1)T1; 15.4(1)T2; 15.4(1)T3; 15.4(1)T4; 15.4(2)CG; 15.4(2)T; 15.4(2)T1; 15.4(2)T2; 15.4(2)T3; 15.4(2)T4; 15.4(3)M; 15.4(3)M1; 15.4(3)M10; 15.4(3)M2; 15.4(3)M3; 15.4(3)M4; 15.4(3)M5; 15.4(3)M6; 15.4(3)M6a; 15.4(3)M7; 15.4(3)M7a; 15.4(3)M8; 15.4(3)M9; 15.5(1)SY; 15.5(1)SY1; 15.5(1)SY10; 15.5(1)SY2; 15.5(1)SY3; 15.5(1)SY4; 15.5(1)SY5; 15.5(1)SY6; 15.5(1)SY7; 15.5(1)SY8; 15.5(1)SY9; 15.5(1)T; 15.5(1)T1; 15.5(1)T2; 15.5(1)T3; 15.5(1)T4; 15.5(2)T; 15.5(2)T1; 15.5(2)T2; 15.5(2)T3; 15.5(2)T4; 15.5(2)XB; 15.5(3)M; 15.5(3)M0a; 15.5(3)M1; 15.5(3)M10; 15.5(3)M11; 15.5(3)M11a; 15.5(3)M11b; 15.5(3)M2; 15.5(3)M2a; 15.5(3)M3; 15.5(3)M4; 15.5(3)M4a; 15.5(3)M4b; 15.5(3)M4c; 15.5(3)M5; 15.5(3)M6; 15.5(3)M6a; 15.5(3)M7; 15.5(3)M8; 15.5(3)M9; 15.6(1)T; 15.6(1)T0a; 15.6(1)T1; 15.6(1)T2; 15.6(1)T3; 15.6(2)T; 15.6(2)T0a; 15.6(2)T1; 15.6(2)T2; 15.6(2)T3; 15.6(3)M; 15.6(3)M0a; 15.6(3)M1; 15.6(3)M1a; 15.6(3)M1b; 15.6(3)M2; 15.6(3)M2a; 15.6(3)M3; 15.6(3)M3a; 15.6(3)M4; 15.6(3)M5; 15.6(3)M6; 15.6(3)M6a; 15.6(3)M6b; 15.6(3)M7; 15.6(3)M8; 15.6(3)M9; 15.7(3)M; 15.7(3)M0a; 15.7(3)M1; 15.7(3)M10; 15.7(3)M2; 15.7(3)M3; 15.7(3)M4; 15.7(3)M4a; 15.7(3)M4b; 15.7(3)M5; 15.7(3)M6; 15.7(3)M7; 15.7(3)M8; 15.7(3)M9; 15.8(3)M; 15.8(3)M0a; 15.8(3)M0b; 15.8(3)M1; 15.8(3)M1a; 15.8(3)M2; 15.8(3)M2a; 15.8(3)M3; 15.8(3)M3a; 15.8(3)M3b; 15.8(3)M4; 15.8(3)M5; 15.8(3)M6; 15.8(3)M7; 15.8(3)M8; 15.8(3)M9; 15.9(3)M; 15.9(3)M0a; 15.9(3)M1; 15.9(3)M2; 15.9(3)M2a; 15.9(3)M3; 15.9(3)M3a; 15.9(3)M3b; 15.9(3)M4; 15.9(3)M4a; 15.9(3)M5; 15.9(3)M6; 15.9(3)M6a; 15.9(3)M6b","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","exposure_verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","kev":false,"epss":{"score":0.00678,"score_date":"2026-07-19","updated_at":"2026-07-20T05:46:49Z"},"published_at":"2023-03-22T16:00:00Z","updated_at":"2023-03-22T16:00:00Z","advisory_updated_at":"2023-03-22T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"row_display_order":1},{"product":{"name":"Cisco IOS XE Software","slug":"cisco-ios-xe-software","vendor":"Cisco"},"advisory":{"id":"cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","slug":"cisco-sa-asaftdios-dhcpv6-cli-zf3ztv","title":"Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known affected"},"evidence_source":"Cisco CSAF","source":"Cisco CSAF","source_document_fetched_at":"2026-07-20T02:59:49Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"16.1.1; 16.1.2; 16.1.3; 16.10.1a; 16.10.1b; 16.10.1c; 16.10.1d; 16.10.1e; 16.10.1f; 16.10.1g; 16.10.1s; 16.11.1; 16.11.1c; 16.11.1s; 16.11.2; 16.12.1; 16.12.1a; 16.12.1c; 16.12.1s; 16.12.1t; 16.12.1w; 16.12.1x; 16.12.1y; 16.12.1z; 16.12.1z1; 16.12.1z2; 16.12.2; 16.12.2a; 16.12.2s; 16.12.2t; 16.12.3a; 16.12.3s; 16.12.5a; 16.12.5b; 16.12.6; 16.12.6a; 16.12.7; 16.2.1; 16.2.2; 16.3.1; 16.3.10; 16.3.11; 16.3.1a; 16.3.2; 16.3.4; 16.3.5; 16.3.5b; 16.3.6; 16.3.7; 16.3.8; 16.3.9; 16.4.1; 16.4.2; 16.4.3; 16.5.1; 16.5.1a; 16.5.1b; 16.5.2; 16.5.3; 16.6.1; 16.6.10; 16.6.2; 16.6.3; 16.6.4; 16.6.4a; 16.6.4s; 16.6.5; 16.6.5a; 16.6.5b; 16.6.6; 16.6.7; 16.6.7a; 16.6.8; 16.6.9; 16.7.1; 16.7.1a; 16.7.1b; 16.7.2; 16.7.3; 16.7.4; 16.8.1; 16.8.1a; 16.8.1b; 16.8.1c; 16.8.1d; 16.8.1e; 16.8.1s; 16.8.2; 16.8.3; 16.9.1a; 16.9.1b; 16.9.1c; 16.9.1d; 16.9.1s; 16.9.2a; 16.9.2s; 16.9.3a; 16.9.3h; 16.9.3s; 16.9.4c; 16.9.5; 16.9.5f; 16.9.6; 16.9.7; 16.9.8; 16.9.8a; 16.9.8b; 17.1.1; 17.1.1a; 17.1.1s; 17.1.1t; 17.1.2; 17.1.3; 17.2.1; 17.2.1a; 17.2.1r; 17.2.1v; 17.2.2; 17.2.3; 17.3.1; 17.3.1a; 17.3.1w; 17.3.1x; 17.3.1z; 17.3.2; 17.3.2a; 17.3.3; 17.3.3a; 17.3.4; 17.3.4a; 17.3.4b; 17.3.4c; 17.3.5; 17.3.5a; 17.4.1; 17.4.1a; 17.4.1b; 17.4.1c; 17.4.2; 17.4.2a; 17.5.1; 17.5.1a; 17.6.1; 17.6.1a; 17.6.1w; 17.6.1x; 17.6.1y; 17.6.2; 17.6.3; 17.6.3a; 17.7.1; 17.7.1a; 17.7.1b; 17.7.2; 3.10.0E; 3.10.0cE; 3.10.1E; 3.10.1aE; 3.10.1sE; 3.10.2E; 3.10.3E; 3.11.0E; 3.11.1E; 3.11.1aE; 3.11.2E; 3.11.2aE; 3.11.3E; 3.11.3aE; 3.11.4E; 3.11.5E; 3.11.6E; 3.11.7E; 3.2.0SE; 3.2.1SE; 3.2.2SE; 3.2.3SE; 3.3.0SE; 3.3.1SE; 3.3.2SE; 3.3.3SE; 3.3.4SE; 3.3.5SE; 3.5.0E; 3.5.1E; 3.5.2E; 3.5.3E; 3.6.0E; 3.6.0aE; 3.6.0bE; 3.6.10E; 3.6.1E; 3.6.2E; 3.6.2aE; 3.6.3E; 3.6.4E; 3.6.5E; 3.6.5aE; 3.6.5bE; 3.6.6E; 3.6.7E; 3.6.7aE; 3.6.7bE; 3.6.8E; 3.6.9E; 3.6.9aE; 3.7.0E; 3.7.1E; 3.7.2E; 3.7.3E; 3.7.4E; 3.7.5E; 3.8.0E; 3.8.10E; 3.8.10cE; 3.8.10dE; 3.8.1E; 3.8.2E; 3.8.3E; 3.8.4E; 3.8.5E; 3.8.5aE; 3.8.6E; 3.8.7E; 3.8.8E; 3.8.9E; 3.9.0E; 3.9.1E; 3.9.2E; 3.9.2bE","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","exposure_verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","kev":false,"epss":{"score":0.00678,"score_date":"2026-07-19","updated_at":"2026-07-20T05:46:49Z"},"published_at":"2023-03-22T16:00:00Z","updated_at":"2023-03-22T16:00:00Z","advisory_updated_at":"2023-03-22T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"row_display_order":2},{"product":{"name":"Cisco Adaptive Security Appliance (ASA) Software","slug":"cisco-adaptive-security-appliance-asa-software","vendor":"Cisco"},"advisory":{"id":"cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","slug":"cisco-sa-asaftdios-dhcpv6-cli-zf3ztv","title":"Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known affected"},"evidence_source":"Cisco CSAF","source":"Cisco CSAF","source_document_fetched_at":"2026-07-20T02:59:49Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"16.3.3","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","exposure_verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","kev":false,"epss":{"score":0.00678,"score_date":"2026-07-19","updated_at":"2026-07-20T05:46:49Z"},"published_at":"2023-03-22T16:00:00Z","updated_at":"2023-03-22T16:00:00Z","advisory_updated_at":"2023-03-22T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"row_display_order":3},{"product":{"name":"Cisco IOS XE Catalyst SD-WAN","slug":"cisco-ios-xe-catalyst-sd-wan","vendor":"Cisco"},"advisory":{"id":"cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","slug":"cisco-sa-asaftdios-dhcpv6-cli-zf3ztv","title":"Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known affected"},"evidence_source":"Cisco CSAF","source":"Cisco CSAF","source_document_fetched_at":"2026-07-20T02:59:49Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"16.10.1; 16.10.2; 16.10.3; 16.11.1a; 16.11.1b; 16.12.3; 16.12.4; 16.12.4a; 16.12.5; 16.9.1; 16.9.2; 16.9.3; 16.9.4","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","exposure_verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","kev":false,"epss":{"score":0.00678,"score_date":"2026-07-19","updated_at":"2026-07-20T05:46:49Z"},"published_at":"2023-03-22T16:00:00Z","updated_at":"2023-03-22T16:00:00Z","advisory_updated_at":"2023-03-22T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"row_display_order":4},{"product":{"name":"Cisco Firepower 2100 Series","slug":"cisco-firepower-2100-series","vendor":"Cisco"},"advisory":{"id":"cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","slug":"cisco-sa-asaftdios-dhcpv6-cli-zf3ztv","title":"Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known affected"},"evidence_source":"Cisco CSAF","source":"Cisco CSAF","source_document_fetched_at":"2026-07-20T02:59:49Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1.2 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1.3 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.1 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.5 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.9 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.12 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.2 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.7 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.9 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.10 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.13 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.18 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.2 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.24 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.26 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.29 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.30 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.35 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.37 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.4 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.7 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.8 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.10 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.15 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.19 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.30 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.13 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.15 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.4 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.8 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.1 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.11 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.13 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.15 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.18 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.9 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1.28 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.11 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.3 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.7 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.14 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.15 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.17 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.20 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.24 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.26 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.28 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.33 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.35 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.38 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.45 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.8 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.11 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.14 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.16 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.18 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.21 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.26 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.29 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.8 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.10 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.12 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.15 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.17 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.20 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.22 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.25 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.26 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.29 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.3 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.32 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.34 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.35 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.39 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.40 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.41 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.43 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.44 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.45 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.7 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.8 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.1 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.10 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.11 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.12 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.13 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.14 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.15 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.16 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.17 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.18 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.2 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.3 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.4 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.5 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.6 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.7 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.8 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.9 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.1 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.10 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.11 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.12 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.13 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.14 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.2 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.3 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.4 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.5 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.6 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.7 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.8 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.9 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.0 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.0.1 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.1 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.3 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.4 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5.1 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5.2 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0.1 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.1 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.1.1 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0 when installed on Cisco Firepower 2100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0.1 when installed on Cisco Firepower 2100 Series","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","exposure_verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","kev":false,"epss":{"score":0.00678,"score_date":"2026-07-19","updated_at":"2026-07-20T05:46:49Z"},"published_at":"2023-03-22T16:00:00Z","updated_at":"2023-03-22T16:00:00Z","advisory_updated_at":"2023-03-22T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"row_display_order":5},{"product":{"name":"Cisco Firepower 1000 Series","slug":"cisco-firepower-1000-series","vendor":"Cisco"},"advisory":{"id":"cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","slug":"cisco-sa-asaftdios-dhcpv6-cli-zf3ztv","title":"Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known affected"},"evidence_source":"Cisco CSAF","source":"Cisco CSAF","source_document_fetched_at":"2026-07-20T02:59:49Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.10 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.15 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.19 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.30 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.13 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.15 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.4 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.8 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.1 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.11 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.13 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.15 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.18 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.9 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1.28 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.11 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.3 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.7 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.10 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.11 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.12 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.13 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.14 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.2 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.3 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.4 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.5 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.6 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.7 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.8 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.9 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.0 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.0.1 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.1 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.3 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.4 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5.1 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5.2 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0.1 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.1 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.1.1 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0 when installed on Cisco Firepower 1000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0.1 when installed on Cisco Firepower 1000 Series","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","exposure_verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","kev":false,"epss":{"score":0.00678,"score_date":"2026-07-19","updated_at":"2026-07-20T05:46:49Z"},"published_at":"2023-03-22T16:00:00Z","updated_at":"2023-03-22T16:00:00Z","advisory_updated_at":"2023-03-22T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"row_display_order":6},{"product":{"name":"Cisco ASA 5500-X Series Firewalls","slug":"cisco-asa-5500-x-series-firewalls","vendor":"Cisco"},"advisory":{"id":"cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","slug":"cisco-sa-asaftdios-dhcpv6-cli-zf3ztv","title":"Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known affected"},"evidence_source":"Cisco CSAF","source":"Cisco CSAF","source_document_fetched_at":"2026-07-20T02:59:49Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1.2 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1.3 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.1 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.4 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.5 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.9 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.12 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.2 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.7 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.9 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.10 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.13 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.18 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.2 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.24 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.26 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.29 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.30 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.35 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.37 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.4 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.7 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.10 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.15 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.19 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.30 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.13 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.15 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.4 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.8 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.1 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.11 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.13 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.15 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.18 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.9 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1.28 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.11 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.3 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.7 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.1 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.1.5 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.1.7 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.14 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.15 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.17 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.20 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.24 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.26 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.28 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.33 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.35 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.38 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.45 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.8 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.11 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.14 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.16 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.18 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.21 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.26 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.29 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.8 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.10 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.12 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.15 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.17 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.20 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.22 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.25 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.26 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.29 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.3 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.32 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.33 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.34 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.35 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.39 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.40 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.41 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.43 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.44 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.45 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.7 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.8 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.1 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.10 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.11 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.12 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.13 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.14 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.15 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.16 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.17 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.18 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.2 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.3 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.4 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.5 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.6 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.7 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.8 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.9 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.1 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.10 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.11 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.12 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.13 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.14 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.2 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.3 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.4 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.5 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.6 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.7 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.8 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.9 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.0 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.0.1 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.1 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.3 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.4 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5.1 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5.2 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0.1 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.1 when installed on Cisco ASA 5500-X Series Firewalls; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.1.1 when installed on Cisco ASA 5500-X Series Firewalls","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","exposure_verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","kev":false,"epss":{"score":0.00678,"score_date":"2026-07-19","updated_at":"2026-07-20T05:46:49Z"},"published_at":"2023-03-22T16:00:00Z","updated_at":"2023-03-22T16:00:00Z","advisory_updated_at":"2023-03-22T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"row_display_order":7},{"product":{"name":"Cisco 3000 Series Industrial Security Appliances (ISA)","slug":"cisco-3000-series-industrial-security-appliances-isa","vendor":"Cisco"},"advisory":{"id":"cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","slug":"cisco-sa-asaftdios-dhcpv6-cli-zf3ztv","title":"Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known affected"},"evidence_source":"Cisco CSAF","source":"Cisco CSAF","source_document_fetched_at":"2026-07-20T02:59:49Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1.2 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1.3 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.1 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.4 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.5 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.9 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.12 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.2 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.7 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.9 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.10 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.13 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.18 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.2 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.24 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.26 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.29 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.30 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.35 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.37 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.4 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.7 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.10 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.15 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.19 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.30 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.13 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.15 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.4 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.8 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.1 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.11 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.13 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.15 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.18 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.9 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1.28 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.11 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.3 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.7 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.1 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.1.5 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.1.7 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.14 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.15 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.17 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.20 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.24 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.26 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.28 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.33 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.35 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.38 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.45 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.8 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.11 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.14 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.16 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.18 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.21 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.26 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.29 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.8 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.10 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.12 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.15 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.17 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.20 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.22 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.25 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.26 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.29 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.3 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.32 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.33 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.34 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.35 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.39 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.40 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.41 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.43 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.44 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.45 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.7 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.8 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.1 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.10 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.11 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.12 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.13 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.14 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.15 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.16 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.17 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.18 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.2 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.3 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.4 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.5 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.6 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.7 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.8 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.9 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.1 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.10 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.11 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.12 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.13 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.14 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.2 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.3 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.4 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.5 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.6 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.7 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.8 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.9 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.6.0 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.6.0.1 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.6.1 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.6.3 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.6.4 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5.1 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5.2 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0.1 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 7.0.1 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 7.0.1.1 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0 when installed on Cisco 3000 Series Industrial Security Appliances (ISA); Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0.1 when installed on Cisco 3000 Series Industrial Security Appliances (ISA)","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","exposure_verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","kev":false,"epss":{"score":0.00678,"score_date":"2026-07-19","updated_at":"2026-07-20T05:46:49Z"},"published_at":"2023-03-22T16:00:00Z","updated_at":"2023-03-22T16:00:00Z","advisory_updated_at":"2023-03-22T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"row_display_order":8},{"product":{"name":"Cisco Firepower 9000 Series","slug":"cisco-firepower-9000-series","vendor":"Cisco"},"advisory":{"id":"cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","slug":"cisco-sa-asaftdios-dhcpv6-cli-zf3ztv","title":"Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known affected"},"evidence_source":"Cisco CSAF","source":"Cisco CSAF","source_document_fetched_at":"2026-07-20T02:59:49Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1.2 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1.3 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.1 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.4 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.5 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.9 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.12 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.2 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.7 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.9 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.10 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.13 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.18 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.2 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.24 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.26 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.29 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.30 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.35 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.37 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.4 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.7 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.10 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.15 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.19 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.30 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.13 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.15 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.4 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.8 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.1 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.11 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.13 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.15 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.18 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.9 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1.28 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.11 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.3 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.7 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.1 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.1.5 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.1.7 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.14 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.15 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.17 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.20 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.24 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.26 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.28 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.33 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.35 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.38 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.45 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.8 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.11 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.14 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.16 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.18 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.21 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.26 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.29 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.8 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.10 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.12 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.15 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.17 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.20 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.22 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.25 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.26 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.29 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.3 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.32 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.34 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.35 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.39 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.40 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.41 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.43 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.44 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.45 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.7 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.8 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.1 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.10 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.11 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.12 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.13 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.14 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.15 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.16 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.17 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.18 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.2 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.3 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.4 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.5 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.6 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.8 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.9 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.1 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.10 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.11 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.12 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.13 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.14 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.2 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.3 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.4 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.5 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.6 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.7 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.8 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.9 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.0 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.0.1 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.1 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.3 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.4 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5.1 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5.2 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0.1 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.1 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.1.1 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0 when installed on Cisco Firepower 9000 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0.1 when installed on Cisco Firepower 9000 Series","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","exposure_verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","kev":false,"epss":{"score":0.00678,"score_date":"2026-07-19","updated_at":"2026-07-20T05:46:49Z"},"published_at":"2023-03-22T16:00:00Z","updated_at":"2023-03-22T16:00:00Z","advisory_updated_at":"2023-03-22T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"row_display_order":9},{"product":{"name":"Cisco Firepower 4100 Series","slug":"cisco-firepower-4100-series","vendor":"Cisco"},"advisory":{"id":"cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","slug":"cisco-sa-asaftdios-dhcpv6-cli-zf3ztv","title":"Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known affected"},"evidence_source":"Cisco CSAF","source":"Cisco CSAF","source_document_fetched_at":"2026-07-20T02:59:49Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1.2 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1.3 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.1 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.4 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.5 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.9 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.12 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.2 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.7 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.9 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.10 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.13 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.18 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.2 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.24 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.26 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.29 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.30 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.35 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.37 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.4 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.7 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.10 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.15 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.19 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.30 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.13 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.15 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.4 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.8 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.1 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.11 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.13 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.15 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.18 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.9 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1.28 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.11 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.3 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.7 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.1 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.1.5 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.1.7 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.14 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.15 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.17 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.20 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.24 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.26 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.28 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.33 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.35 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.38 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.45 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.8 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.11 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.14 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.16 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.18 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.21 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.26 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.29 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.8 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.10 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.12 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.15 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.17 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.20 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.22 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.25 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.26 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.29 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.3 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.32 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.34 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.35 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.39 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.40 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.41 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.43 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.44 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.45 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.7 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.8 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.1 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.10 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.11 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.12 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.13 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.14 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.15 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.16 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.17 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.18 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.2 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.3 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.4 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.5 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.6 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.8 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.9 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.1 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.10 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.11 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.12 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.13 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.14 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.2 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.3 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.4 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.5 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.6 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.7 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.8 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.9 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.0 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.0.1 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.1 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.3 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.4 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5.1 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5.2 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0.1 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.1 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.1.1 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0 when installed on Cisco Firepower 4100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0.1 when installed on Cisco Firepower 4100 Series","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","exposure_verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","kev":false,"epss":{"score":0.00678,"score_date":"2026-07-19","updated_at":"2026-07-20T05:46:49Z"},"published_at":"2023-03-22T16:00:00Z","updated_at":"2023-03-22T16:00:00Z","advisory_updated_at":"2023-03-22T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"row_display_order":10},{"product":{"name":"Cisco Secure Firewall Threat Defense Virtual","slug":"cisco-secure-firewall-threat-defense-virtual","vendor":"Cisco"},"advisory":{"id":"cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","slug":"cisco-sa-asaftdios-dhcpv6-cli-zf3ztv","title":"Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known affected"},"evidence_source":"Cisco CSAF","source":"Cisco CSAF","source_document_fetched_at":"2026-07-20T02:59:49Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.1 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.10 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.11 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.12 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.13 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.14 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.15 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.16 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.17 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.18 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.2 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.3 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.4 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.5 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.6 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.7 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.8 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.9 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.1 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.10 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.11 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.12 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.13 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.14 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.2 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.3 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.4 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.5 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.6 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.7 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.8 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.9 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.0 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.0.1 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.1 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.3 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.4 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5.1 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5.2 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0.1 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.1 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 7.0.1.1 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0 when installed on Cisco Secure Firewall Threat Defense Virtual; Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0.1 when installed on Cisco Secure Firewall Threat Defense Virtual","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","exposure_verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","kev":false,"epss":{"score":0.00678,"score_date":"2026-07-19","updated_at":"2026-07-20T05:46:49Z"},"published_at":"2023-03-22T16:00:00Z","updated_at":"2023-03-22T16:00:00Z","advisory_updated_at":"2023-03-22T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"row_display_order":11},{"product":{"name":"Cisco Secure Firewall 3100 Series","slug":"cisco-secure-firewall-3100-series","vendor":"Cisco"},"advisory":{"id":"cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","slug":"cisco-sa-asaftdios-dhcpv6-cli-zf3ztv","title":"Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known affected"},"evidence_source":"Cisco CSAF","source":"Cisco CSAF","source_document_fetched_at":"2026-07-20T02:59:49Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1 when installed on Cisco Secure Firewall 3100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0 when installed on Cisco Secure Firewall 3100 Series; Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0.2 when installed on Cisco Secure Firewall 3100 Series","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","exposure_verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","kev":false,"epss":{"score":0.00678,"score_date":"2026-07-19","updated_at":"2026-07-20T05:46:49Z"},"published_at":"2023-03-22T16:00:00Z","updated_at":"2023-03-22T16:00:00Z","advisory_updated_at":"2023-03-22T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"row_display_order":12},{"product":{"name":"Cisco Adaptive Security Virtual Appliance (ASAv)","slug":"cisco-adaptive-security-virtual-appliance-asav","vendor":"Cisco"},"advisory":{"id":"cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","slug":"cisco-sa-asaftdios-dhcpv6-cli-zf3ztv","title":"Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"evidence_type":"structured_affected","evidence_label":{"scope":"CSAF product evidence","label":"product_status known affected"},"evidence_source":"Cisco CSAF","source":"Cisco CSAF","source_document_fetched_at":"2026-07-20T02:59:49Z","csaf_status":"known_affected","csaf_product_status":"known_affected","csaf_product_status_path":"vulnerabilities[].product_status.known_affected","raw_product_name":"Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1.2 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1.3 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.1 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.4 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.5 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.9 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.12 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.2 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.7 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.9 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.10 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.13 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.18 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.2 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.24 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.26 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.29 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.30 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.35 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.37 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.4 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.7 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.10 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.15 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.19 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.30 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.6 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.13 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.15 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.4 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.8 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.1 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.11 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.13 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.15 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.18 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.9 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1.28 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.11 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.3 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.7 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.1 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.1.5 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.1.7 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.14 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.15 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.17 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.20 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.24 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.26 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.28 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.33 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.35 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.38 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.45 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.8 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.11 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.14 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.16 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.18 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.21 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.26 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.29 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.8 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.10 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.12 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.15 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.17 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.20 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.22 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.25 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.26 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.29 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.3 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.32 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.34 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.35 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.39 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.40 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.41 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.43 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.44 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.45 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.7 when installed on Cisco Adaptive Security Virtual Appliance (ASAv); Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.8 when installed on Cisco Adaptive Security Virtual Appliance (ASAv)","exposure_verdict":"not_assessed","verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","exposure_verdict_reason":"Public evidence does not evaluate exact release, platform, enabled features, configuration, compensating controls, or live exposure.","kev":false,"epss":{"score":0.00678,"score_date":"2026-07-19","updated_at":"2026-07-20T05:46:49Z"},"published_at":"2023-03-22T16:00:00Z","updated_at":"2023-03-22T16:00:00Z","advisory_updated_at":"2023-03-22T16:00:00Z","source_url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv","remediation":{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv"},"row_display_order":13}]}