CVE-2025-12271: Tenda CH22 Firmware

Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days.

A vulnerability was identified in Tenda CH22 1.0.0.1. This affects the function fromRouteStatic of the file /goform/RouteStatic. Such manipulation of the argument page leads to buffer overflow. The attack can be launched remotely. The exploit is publicly available and might be used.

Affected products

• Tenda CH22 Firmware: version 1.0.0.1 only

Published 2025-10-27. Last modified 2026-10-08.