CVE-2024-4066: Tenda AC8 Firmware

High severity, CVSS 8.8. EPSS: 1.8% chance of exploitation in the next 30 days.

A vulnerability classified as critical has been found in Tenda AC8 16.03.34.09. Affected is the function fromAdvSetMacMtuWan of the file /goform/AdvSetMacMtuWan. The manipulation of the argument wanMTU/wanSpeed/cloneType/mac/serviceName/serverName 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. The identifier of this vulnerability is VDB-261792. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Tenda AC8 Firmware: version 16.03.34.09 only

Published 2024-04-23. Last modified 2026-06-17.