OS Command Injection in Cisco Systems, Inc products - CVE-2025-20186

Vulnerability identifier: #VU108832

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-20186

CWE-ID: CWE-78

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in the web-based management interface. A remote user can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Embedded Wireless Controller on Catalyst 9100X Series Access Points
Catalyst 9800 Series Wireless Controllers
Catalyst 9800 Embedded Wireless Controller
Catalyst 9800-CL Wireless Controllers for Cloud
Wi-Fi 6 pluggable module for Catalyst IR1800 Rugged Series Routers
Cisco IOS XE

Install updates from vendor's website.

Cisco IOS XE - addressed in versions 16.11.1, 16.11.1c, 16.11.1s, 16.11.1a, 16.11.1b, 16.11.2, 16.12.1, 16.12.1c, 16.12.1s, 16.12.1t, 16.12.1v, 16.12.1w, 16.12.1x, 16.12.1y, 16.12.1z, 16.12.1z1, 16.12.1z2, 16.12.1a, 16.12.2, 16.12.2s, 16.12.2t, 16.12.2a, 16.12.3, 16.12.3s, 16.12.3a, 17.1.1, 17.1.1s, 17.1.1t, 17.1.1a, 17.1.2, 17.1.3, 17.2.1, 17.2.1v, 17.2.1LA, 17.2.1a, 17.2.1r, 17.6.8, 17.6.8a, 17.9.6, 17.9.6a, 17.9.6b, 17.9.7, 17.9.7a, 17.12.1z2, 17.12.1z3, 17.12.5, 17.12.5a, 17.15.1, 17.15.1w, 17.15.1x, 17.15.1y, 17.15.1a, 17.15.1b, 17.15.2, 17.15.2c, 17.15.2a, 17.15.2b, 17.15.3, 17.16.1, 17.16.1a, 17.17.1

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webui-cmdinj-gVn3OKNC

• OS Command Injection in Cisco IOS XE Software