I have a **Tenda AC23** router, and recently I found out that it has an open port, **5500**. In router’ settings I didn’t find any configuration related to this port or its purpose, so I forwarded it to my raspberry pi, where I created a python server that prints out everything received on that port. After a few days, I’ve seen this output:
from this IP address (a possible “attacker”?): **184.108.40.206**
I’m a little bit worried and don’t know exactly what to do, cause I think in the past there were more requests like this. I tried to send manually this buffer to my router, after disabling the forwarding, but I didn’t receive any response. Also, I didn’t find any custom firmware (eg dd-wrt) for my router, in order to fix this issue by disabling the port.
Any other suggestions? Thanks