This page will show you where the default password is for all the BT Hubs. Where to find admin password BT Home Hub Help BT com Help If you need to reset the device as the password has been changed then look here How do reset my BT Home Hub to its factory settings Help BT com Help This will change the passwords to what are written on the BT Hub.

Can you connect to the router using a wired connection or any other devices that already connect on the wireless link?
Your Hub's preset network name/SSID and wireless key. These are printed on your wireless settings card (found in your Hub's box) and also on the back of your Hub.