[Ogre]

How I got a root shell in my NAS:

Went to "Terminal" in the web control panel.

Enabled the SSH service.

SSHed in as root.

This is an off-the-shelf device, not an OS I installed myself.

[testooo]

Not the same NAS, in DNS320 you don't have that option:

http://www.support.dlink.com/emulators/dns320/200/login.html