A vulnerability was found in Tenda AC18 15.03.05.05. It has been rated as critical. This issue affects the function formSetPPTPServer of the file /goform/SetPptpServerCfg. The manipulation of the argument startIP leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-256895. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
https://vuldb.com/?ctiid.256895
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC18/formSetPPTPServer.md