#VU116084 Buffer overflow in Cisco IOS XE - CVE-2025-20149

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Main Vulnerability Database Vulnerabilities #VU116084

#VU116084 Buffer overflow in Cisco IOS XE - CVE-2025-20149

Published: September 24, 2025


Vulnerability identifier: #VU116084
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-20149
CWE-ID: CWE-120
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Cisco IOS XE
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a local user to perform a denial of service attack.

The vulnerability exists due to improper input validation in CLI. A local user can pass specially crafted data to the affected CLI command, trigger buffer overflow and perform a denial of service attack. 


Remediation

Install updates from vendor's website.

External links