CVE-2025-9443: Tenda CH22 Firmware

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

A flaw has been found in Tenda CH22 1.0.0.1. This vulnerability affects the function formeditUserName of the file /goform/editUserName. Executing manipulation of the argument new_account can lead to buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.

Affected products

• Tenda CH22 Firmware: version 1.0.0.1 only

Published 2025-08-26. Last modified 2026-06-17.