CVE-2025-20365

MEDIUM

Cisco Access Point Software - Info Disclosure

Title source: llm

Description

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.

References (1)

Core 1

Core References

Various Sources

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-ipv6-gw-tUAzpn9O

Scores

CVSS v3 4.3

EPSS 0.0002

EPSS Percentile 6.4%

Attack Vector ADJACENT_NETWORK

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-940

Status published

Products (50)

Cisco/Cisco Aironet Access Point Software (IOS XE Controller) 16.10.1

Cisco/Cisco Aironet Access Point Software (IOS XE Controller) 16.10.1e

Cisco/Cisco Aironet Access Point Software (IOS XE Controller) 16.11.1

Cisco/Cisco Aironet Access Point Software (IOS XE Controller) 16.11.1a

Cisco/Cisco Aironet Access Point Software (IOS XE Controller) 16.11.1b

Cisco/Cisco Aironet Access Point Software (IOS XE Controller) 16.11.1c

Cisco/Cisco Aironet Access Point Software (IOS XE Controller) 16.12.1

Cisco/Cisco Aironet Access Point Software (IOS XE Controller) 16.12.1s

Cisco/Cisco Aironet Access Point Software (IOS XE Controller) 16.12.1t

Cisco/Cisco Aironet Access Point Software (IOS XE Controller) 16.12.2s

... and 40 more

Published Sep 24, 2025

Tracked Since Feb 18, 2026