cannot connect to router control panel

router problems

zyxel VMG3625-T20A. I cannot connect to the control panel and ive tried admin 1234, admin admin, user 1234, administrator 1234 and ive reset the router but it wont let me connect to the control panel. 

Am i doing something wrong?

Hummel

@router problems

Do you know what the current firmware you are using now?
I think you should check the back label for the login information.

router problems

oh ok, didnt know they had their own password on the back. Im used to having the default passwords