CVE-2025-12234: Tenda CH22 Firmware

High severity, CVSS 8.8. EPSS: 1.1% chance of exploitation in the next 30 days.

A vulnerability has been found in Tenda CH22 1.0.0.1. This affects the function fromSafeMacFilter of the file /goform/SafeMacFilter. The manipulation of the argument page leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Tenda CH22 Firmware: version 1.0.0.1 only

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