Comtrend NexusLink 5631 VDSL2 Router — Default Password
Default username and password for the Comtrend NexusLink 5631 VDSL2 Router: root / 12345. Learn how to log in at 192.168.1.1 and how to change the default credentials.
VDSL2 residential gateway widely deployed by ISPs in North America and Asia. The root account (with full access) is the primary admin account with a numeric default password. A secondary 'admin' account also exists on some firmware builds.
| Username | Password | Access | Notes |
|---|---|---|---|
root | 12345 | Web UI | Primary administrator account |
admin | admin | Web UI | Secondary account on some firmware builds |
- Default IP
- 192.168.1.1
- Source
- vendor user manual
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.