Little more info. Latest FW: DH_IPC-HX5X3X-Rhea_Eng_P_Stream3_V2.460.0000.14.R.20170720.bin
Mode: IPC-HB5330.
Firmware is signed using RSA key, files inside also checked on upgrade. Nothing can be done. Inspecting right now, instead of telnet, there is SSH option in Security where you enable...