Buffalo provides Data Recovery services. Read about it here.
I've loaded the latest DD-WRT on it and the wireless client bridge won't work, so I want to revert to the original factor firmware. How do I do this?
Download their "cd image" and install it in a directory on your pc. You can run the setup from there and choose to install the "easy" version.
this post solved it for me:
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=72544