Gah! I posted so I can't mod you up! This is reeeaallly important!
It's the second attachment in the FCC link in the summary. Page 2.
What prevents third parties from loading non-US versions of the software/firmware on the device? Describe in detail how the device is protected
from “flashing” and the installation of third-party firmware such as DD-WRT.
I work for a fortune 500 company and we use DD-WRT on the routers in our labs. They will definitely hear from me!