CVE-2025-20149
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 ser
Severity
Medium 6.5
CVSS 3.1
Exploited
Not listed
EPSS
0.001
1.6th percentile
Discovered by
Third party
Published by the vendor
Published
Sep 24, 2025
Assigned by cisco
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.
Weakness: CWE-120
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco IOS Software | Routing & Switching | cna-assigner |
| Cisco | Cisco IOS XE Software | Routing & Switching | cna-assigner |
Vendor-reported affected versions (2)
- Cisco · IOS
- Cisco · Cisco IOS XE Software