Command Injection in Cisco IOS XE - CVE-2025-20334
Published: September 25, 2025
Vulnerability identifier: #VU116107
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-20334
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary commands on the system.
The vulnerability exists due to insufficient input validation in the HTTP API subsystem. A remote attacker can trick a victim to click a specially crafted link and execute arbitrary commands.
Affected software
Cisco IOS XE
How to mitigate CVE-2025-20334
Install updates from vendor's website.
Cisco IOS XE - addressed in versions Cupertino-17.9.8, 17.9.8, 17.12.6, 17.15.3, 17.17.1