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Cisco Access Point Software Intermittent IPv6 Gateway Change Vulnerability

cisco-sa-ap-ipv6-gw-tUAzpn9O · Medium · Published · Updated

A vulnerability in the IPv6 Router Advertisement (RA) packet processing of Cisco Access Point Software could allow an unauthenticated, adjacent attacker to modify the IPv6 gateway on an affected device. This vulnerability is due to a logic error in the processing of IPv6 RA packets that are received from wireless clients. An attacker could exploit this vulnerability by associating to a wireless network and sending a series of crafted IPv6 RA packets. A successful exploit could allow the attacker to temporarily change the IPv6 gateway of an affected device. This could also lead to intermittent packet loss for any wireless clients that are associated with the affected device. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-ipv6-gw-tUAzpn9O

Cisco advisory ·CSAF JSON

Workarounds

There are no workarounds that address this vulnerability.

CVEsCVE-2025-20365
Cisco Bug IDsCSCwm13005
CVSS ScoreBase 4.3
Base 4.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:X
Product Names From Source
Cisco Aironet Access Point Software (IOS XE Controller)

CSAF Product Statuses

Product Status Source CVE Rows
Cisco Aironet Access Point Software (IOS XE Controller) known_affected cisco_csaf CVE-2025-20365 1

Related Products

Product CVE Evidence
Cisco Aironet Access Point Software CVE-2025-20365 Cisco OpenVuln
Cisco Aironet Access Point Software (IOS XE Controller) CVE-2025-20365 Cisco OpenVuln
Cisco IOS XE Software CVE-2025-20365 Cisco OpenVuln