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.
Exploitability
AV:LAC:LAT:NPR:NUI:NVulnerable System
VC:HVI:HVA:HSubsequent System
SC:NSI:NSA:N8.6/CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NAuthentication