CVE-2024-4243: Tenda w9 Firmware

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

A vulnerability classified as critical has been found in Tenda W9 1.0.0.7(4456). Affected is the function formwrlSSIDset of the file /goform/wifiSSIDset. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-262134 is the identifier 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.