A vulnerability classified as critical was found in Tenda AC15 15.03.05.18/15.03.05.19/15.03.20. Affected by this vulnerability is the function fromSetSysTime of the file /goform/SetSysTimeCfg. The manipulation of the argument time leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-257779. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Tenda AC15 WiFi Router V15.03.05.19_multi and AC18 WiFi Router V15.03.05.19_multi were discovered to contain a buffer overflow via the page parameter at /goform/NatStaticSetting.

Tenda AC15 WiFi Router V15.03.05.19_multi and AC18 WiFi Router V15.03.05.19_multi were discovered to contain a buffer overflow via the filePath parameter at /goform/expandDlnaFile.