Use of Hard-coded Credentials
An issue was discovered on FiberHome HG6245D devices through RP2613. The telnet daemon on port 23/tcp can be abused with the gpon/gpon credentials.
CWE-798 - Use of Hard-coded Credentials
The software contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data.