CVE-2025-9813: Tenda CH22 Firmware

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

A vulnerability was identified in Tenda CH22 1.0.0.1. This issue affects the function formSetSambaConf of the file /goform/SetSambaConf. The manipulation of the argument samba_userNameSda leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.

Affected products

• Tenda CH22 Firmware: version 1.0.0.1 only

Published 2025-09-02. Last modified 2026-09-26.