CVE-2026-5605: Tenda CH22 Firmware

High severity, CVSS 8.8. EPSS: 0.9% chance of exploitation in the next 30 days.

A weakness has been identified in Tenda CH22 1.0.0.1. This affects the function formWrlExtraSet of the file /goform/WrlExtraSet. Executing a manipulation of the argument GO can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.

Affected products

• Tenda CH22 Firmware: version 1.0.0.1 only

Published 2026-04-06. Last modified 2026-07-24.