Netgear R8500 v1.0.2.160, XR300 v1.0.3.78, R7000P v1.3.3.154, and R6400 v2 1.0.4.128 were discovered to contain a command injection vulnerability in the component wlg_adv.cgi via the apmode_gateway parameter. This vulnerability allows attackers to execute arbitrary OS commands via a crafted request.