LANCOM Systems LANCOM 1900EF / 1781VA / 1790VA VPN Router — Default Password
Default username and password for the LANCOM Systems LANCOM 1900EF / 1781VA / 1790VA VPN Router: admin / (blank). Learn how to log in at 172.23.56.254 and how to change the default credentials.
LANCOM routers ship with username 'admin' and an empty (blank) password by design. The dedicated management IP 172.23.56.254 is static and separate from the WAN/LAN IP. WEBconfig is accessible at http://172.23.56.254. LANconfig (Windows GUI tool) can also discover devices on the local network.
| Username | Password | Access | Notes |
|---|---|---|---|
admin | (blank / none) | Web UI | Factory default — blank password. WEBconfig at http://172.23.56.254. |
admin | (blank / none) | Telnet | Telnet CLI access shares the same blank-password credential. |
- Default IP
- 172.23.56.254
- Source
- vendor documentation
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.