Hardcoded and Insecure Credentials for "Admin" Account providing Telnet Access on IDC SFX2100 Satellite Receiver

International Datacasting Corporation (IDC) SFX Series SuperFlex(SFX2100) SatelliteReceiver contains hardcoded and insecure credentials for the `admin` account. A remote unauthenticated attacker can use these undocumented credentials to access the satellite system directly via the Telnet service, leading to potential system compromise.