CVE-2026-2905: Tenda HG9 Firmware

High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days.

A vulnerability was identified in Tenda HG9 300001138. This impacts an unknown function of the file /boaform/formWlanSetup of the component Wireless Configuration Endpoint. The manipulation of the argument ssid leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit is publicly available and might be used.

Affected products

  • Tenda HG9 Firmware: version 300001138 only

Published 2026-02-22. Last modified 2026-06-17.