CVE-2025-5685: Tenda CH22 Firmware

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

A vulnerability, which was classified as critical, was found in Tenda CH22 1.0.0.1. This affects the function formNatlimit of the file /goform/Natlimit. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to initiate the attack 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 2025-06-05. Last modified 2026-06-17.