CVE-2025-20149

Published Sep 24, 2025

Last updated 25 days ago

Overview

Description
A vulnerability in the CLI of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, local attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to a buffer overflow. An attacker with a low-privileged account could exploit this vulnerability by using crafted commands at the CLI prompt. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.
Source
psirt@cisco.com
NVD status
Analyzed
Products
ios, ios_xe

Risk scores

CVSS 3.1

Type
Secondary
Base score
6.5
Impact score
4
Exploitability score
2
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Severity
MEDIUM

Weaknesses

psirt@cisco.com
CWE-120

Social media

Hype score
Not currently trending

Configurations