Sagemcom F@ST 3686 Cable Gateway — Default Password
Default username and password for the Sagemcom F@ST 3686 Cable Gateway: admin / admin. Learn how to log in at 192.168.0.1 and how to change the default credentials.
DOCSIS 3.0 dual-band cable gateway deployed by multiple ISPs (Frontier, UPC/Liberty Global, Virgin Media). Some ISP-specific firmware variants ship with label-printed unique passwords.
| Username | Password | Access | Notes |
|---|---|---|---|
admin | admin | Web UI | Most common default across ISP variants; some units use credentials printed on device label. |
- Default IP
- 192.168.0.1
Responsible use
This database lists publicly documented default credentials so administrators can find and change them. Only use these on systems you own or are authorized to test.