What is the default login for DD-WRT?
The default username is root and the default password is admin (from v23 SP1). Some earlier versions of DD-WRT did not require a username.
What is the router login username and password?
The router's default password is “admin” as for the username, just leave the field blank. IMPORTANT: Make sure that the Power LED of the router is blinking when you press the Reset button. This indicates that the router is being reset properly.
How do I find my DD-WRT password?
Open your Internet browser (Firefox, Opera, Internet Explorer) and type http://192.168.1.1 in your address bar. You will be prompted for a username and password. Type in "root" for the username and "admin" for the password. If this default password does not work, you will need to reset your modem.