Comtrend AR-5310 GE31-412SSG-C01_R10.A2pG039u.d24k contains a restricted shell escape vulnerability that allows local users to bypass command restrictions by using the command substitution operator $( ). Attackers can inject arbitrary commands through the $( ) syntax when passed as arguments to allowed commands like ping to execute unrestricted shell access.

Cross-Site Request Forgery vulnerability in Comtrend router WLD71-T1_v2.0.201820, affecting the GRG-4280us version. This vulnerability allows an attacker to force an end user to execute unwanted actions in a web application to which he is authenticated.

Command injection vulnerability in Comtrend router WLD71-T1_v2.0.201820, affecting the GRG-4280us version. This vulnerability could allow an authenticated user to execute commands inside the router by making a POST request to the URL “/boaform/admin/formUserTracert”.