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The default username is root and the default password is admin (from v23 SP1). Valid special characters prior to 49599 are: Valid special characters for builds 49599 and newer are: See forum threads: WARNING: Invalid Password characters that no longer work UI themes! preview/public builds BUG hunting REPORTING 12 characters dramatically reduces the probability of a successful random attack and has a cost / time infeasible computational requirement.
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These passwords should be a minimum of 12 characters and use numbers and valid non-alphabetic characters. Because the SSH user is always root, it is critical that a strong password be used. The latest versions of DD-WRT will require you to set your own username and password when you first access the web interface. These are some of the most common default IP addresses: 192.168.1.1 (most commonly used on Linksys and Asus), 192.168.2.1 (some Belkins), 192.168.11.1 (some Buffalos), 192.168.10.1 or 192.168.30.1 (some Motorolas), and there may be others.
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After installing DD-WRT Firmware you can access the DD-WRT Web-GUI using a web browser pointing to the same IP address as before you installed DD-WRT.
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