The WiFi password can be reset by factory resetting the modem. To factory reset modem press reset button for at least 10 seconds using bent paperclip or similar device while modem is powered on. Rest button is located on back of modem near LAN port 2 on Gen 2 modems. On other modems it is located near power switch. If you have a ADSL connection might need to enter your Bigpond ID and password in modem's Broadband settings after the reset before internet will work..