Draytek Vigor3900, Vigor2960 and Vigor300B Buffer Overflow Vulnerability (CNVD-2020-29579)

DrayTek Vigor3900 and others are products of DrayTek Taiwan, China.DrayTek Vigor3900 is a broadband router/VPN gateway appliance.Vigor2960 is a load-balancing router and VPN gateway appliance.Vigor300B is a load-balancing router. A buffer overflow vulnerability exists in the /cgi-bin/activate.cgi...