CVE-2025-20149
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-24

Last updated on: 2025-09-26

Assigner: Cisco Systems, Inc.

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.
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Meta Information
Published
2025-09-24
Last Modified
2025-09-26
Generated
2026-06-16
AI Q&A
2025-09-24
EPSS Evaluated
2026-06-14
NVD
CVE-2025-20149
EUVD
EUVD-2025-31026
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
cisco ios_xe *
cisco ios *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-120 The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
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Executive Summary

This vulnerability is a buffer overflow in the CLI of Cisco IOS and IOS XE Software. It allows an authenticated local attacker with low privileges to use specially crafted commands at the CLI prompt to cause the device to reload unexpectedly.

Impact Analysis

Exploiting this vulnerability can cause the affected Cisco device to reload unexpectedly, resulting in a denial of service (DoS) condition that disrupts network availability.

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