You can't find out what the password is currently set to, as this would create a possible security hole.
The default usernames and passwords for DrayTek devices are:
Â - Vigor 3300 series preset User Name is "draytek" and default password is "1234"
Â - VigorTalk ATA preset User Name is blank, and password is "vigortalk"
Â - All other DrayTek routers are preset to User Name of "admin", and the Password is blank
If you have changed the Administrator password using the web configurator, then the password will be the value you set.
If you can't remember the password you set, you can remove the password - and all its other configuration settings - by holding in the Factory Reset button (which is recessed behind a hole on the back of the Vigor 2600VG.Â This will bring it back to the default listed above; and you will have to re-enter your ISP, wireless, VoIP and any other configuration you had set previously :-(