You can find the default modem password for you model:
Model | Login | Username | Password |
---|---|---|---|
5660 | TELNET | n/a | adminttd |
5861 SMT ROUTER | MULTI | admin | admin |
5871 IDSL ROUTER | MULTI | admin | admin |
ROUTER 250 SSR250 | MULTI | admin | admin |
DSL | MULTI | admin | admin |
5667 Rev. R4.0.1 | HTTP | (none) | admin |