A vulnerability classified as critical was found in Tenda AC18 15.03.05.05. Affected by this vulnerability is the function setSchedWifi of the file /goform/openSchedWifi. The manipulation of the argument schedStartTime/schedEndTime 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 identifier VDB-256897 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
https://vuldb.com/?ctiid.256897
https://github.com/Emilytutu/IoT-vulnerable/blob/main/Tenda/AC18/setSchedWifi_end.md