Most routers are set up with a wep or wpa password protection. these are set inside the router. You will need to connect a computer to the router with a network cable. type in 192.168.1.254 in the address bar. password to get in is "none" or
"administrator" Look in the security section. the password should be there.
Here's a link for more help:http://www.speedguide.net/broadband-view.php?hw=71