A vulnerability classified as critical has been found in Tenda AC18 15.03.05.05. Affected is the function formSetQosBand of the file /goform/SetNetControlList. The manipulation of the argument list 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-256896. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
https://vuldb.com/?ctiid.256896
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC18/formSetQosBand.md