Buffalo router is a web interface which is used to control your router settings, By using this web interface, you may manage your router settings as per your need. You can customize your router setting by using this web interface panel. All the settings are stored in this web interface.
To do some necessary changes, you need your credentials like username and password. By using these credentials you can login into this web interface.
There are default username and password list, which you can look out as per their model.