Tenda AC15 WifiWpsStart formWifiWpsStart stack-based overflow

A vulnerability was found in Tenda AC15 15.03.20_multi and classified as critical. Affected by this issue is the function formWifiWpsStart of the file /goform/WifiWpsStart. The manipulation of the argument index leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-257666 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.