The vulnerability of the /goform/fromAdvSetMacMtuWan file in the Tenda AC20 router microprogramming software allows a attacker to execute arbitrary code or cause a service failure.

The vulnerability of the /goform/fromAdvSetMacMtuWan module of the Tenda AC20 router’s microprogramming software lies in the reading of data outside the buffer in memory during the processing of the wanMTU parameter. Exploiting this vulnerability allows an attacker to execute arbitrary code or...