CVE-2025-20186: Cisco IOS XE

High severity, CVSS 8.8. EPSS: 0.9% chance of exploitation in the next 30 days.

A vulnerability in the web-based management interface of the Wireless LAN Controller feature of Cisco IOS XE Software could allow an authenticated, remote attacker with a lobby ambassador user account to perform a command injection attack against an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input to the web-based management interface. A successful exploit could allow the attacker to execute arbitrary Cisco IOS XE Software CLI commands with privilege level 15. Note: This vulnerability is exploitable only if the attacker obtains the credentials for a lobby ambassador account. This account is not configured by default.

Affected products

• Cisco IOS XE: version 16.12.4 only; version 16.12.4a only; version 16.12.5 only; version 16.12.6 only; version 16.12.6a only; version 16.12.7 only; …

Published 2025-05-07. Last modified 2026-06-17.