Tenda A15 Web-based Management Interface WifiExtraSet set_repeat5 stack-based overflow

A vulnerability was found in Tenda A15 15.13.07.13. It has been declared as critical. This vulnerability affects the function set_repeat5 of the file /goform/WifiExtraSet of the component Web-based Management Interface. The manipulation of the argument wpapsk_crypto2_4g/wpapsk_crypto5g leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.