You can find the default modem password for you model:
| Model | Login | Username | Password |
|---|---|---|---|
| ADSL ETHERNET MODEM | HTTP | (none) | 12345 |
| USR8000 Rev. 1.23 / 1.25 | MULTI | root | admin |
| USR8550 Rev. 3.0.5 | MULTI | Any | 12345 |
| SURECONNECT ADSL Rev. SURECONNECT ADSL | TELNET | support | support |
| ADSL GATEWAY WIRELESS ROUTER | WIRELESS ROUTER | support | support |