CVE-2025-20327
A vulnerability in the web UI of Cisco IOS Software could allow an authenticated, remote attacker with low privileges to cause a denial of service (DoS) condition on an affected device. This vulner
Description
A vulnerability in the web UI of Cisco IOS Software could allow an authenticated, remote attacker with low privileges to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper input validation. An attacker could exploit this vulnerability by sending a crafted URL in an HTTP request. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.
Weakness: CWE-1287
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco IOS Software | Routing & Switching | cna-assigner |
Vendor-reported products (1)
- Cisco · IOS
Vendor advisory
cisco-sa-ios-invalid-url-dos-Nvxszf6u
Cisco IOS Software Industrial Ethernet Switch Device Manager Denial of Service Vulnerability
Cisco’s rating: High (advisory CVSS 7.7) · Published Sep 24, 2025
Bug ID: CSCwo34150
The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from