Name: CVE-2025-20149: Buffer Copy without Checking Size of Input
Creator: Rapid7
Published: 2025-09-24T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2025-20149, CWE-120, CVSS 6.5, EPSS 0.00045

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.

CVSS Details

CVSS 3.1 Base Score: 6.5
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Cisco Ios	—	Upgrade to the latest version of Cisco IOS to resolve this vulnerability	Sep 25, 2025	Sep 24, 2025
Cisco Xe	—	Upgrade to the latest version of Cisco IOS XE to resolve this vulnerability	Sep 25, 2025	Sep 24, 2025

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CVSS Details

Covered by Rapid7

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