Medium severity6.5NVD Advisory· Published Sep 24, 2025· Updated Apr 15, 2026
CVE-2025-20149
CVE-2025-20149
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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Affected products
1Patches
Vulnerability mechanics
References
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