CVE-2024-3909: Tenda AC500 Firmware

Critical severity, CVSS 9.8. EPSS: 1.7% chance of exploitation in the next 30 days.

A vulnerability classified as critical was found in Tenda AC500 2.0.1.9(1307). Affected by this vulnerability is the function formexeCommand of the file /goform/execCommand. The manipulation of the argument cmdinput leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-261145 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Tenda AC500 Firmware: version 2.0.1.9(1307) only

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