This indicates an attack attempt against a Code Execution vulnerability in HooToo TripMate Routers.
The vulnerability is due to insufficient sanitizing of user supplied inputs in the application. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application.
HooToo TripMate HT-TM05
HooToo TripMate HT-TM06
System Compromise: Remote attacker can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor