You can find the default modem password for you model:
Model | Login | Username | Password |
---|---|---|---|
ADSL | TELNET | root | (none) |
CABLE MODEM 60678EU Rev. 1.12 | MULTI | root | root |
CABLE MODEM | MULTI | root | root |
NTL:HOME 200 Rev. 2.67.1011 | HTTP | root | root |
U10C019 | user | user - (admin:cableroot) |