CVE-2024-4242: Tenda w9 Firmware

High severity, CVSS 8.8. EPSS: 1.3% chance of exploitation in the next 30 days.

A vulnerability was found in Tenda W9 1.0.0.7(4456). It has been rated as critical. This issue affects the function formwrlSSIDget of the file /goform/wifiSSIDget. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-262133 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Tenda w9 Firmware: version 1.0.0.7(4456) only

Published 2024-04-26. Last modified 2026-06-17.