Telnet Zte F6640 [verified]

sendcmd 1 DB set TelnetCfg 0 InitPort 2323 sendcmd 1 DB set TelnetCfg 0 LocalPort 2323 sendcmd 1 DB save

Navigate to > System Management > Service Control . telnet zte f6640

sendcmd 1 DB p DevAuthInfo

Open your terminal (Command Prompt on Windows). sendcmd 1 DB set TelnetCfg 0 InitPort 2323

, the service must typically be enabled via the device's web management portal or through specific diagnostic tools. ZTE Default Login - Username, Password and IP Address telnet zte f6640

This dumps all user accounts and passwords (including hidden ISP root accounts).