There are a bunch of daemons running on a fully configured My Cloud. I haven't had much success in finding anything yet, but yeah, it has the bug.
nas:~# bash --version | head -1
GNU bash, version 4.2.37(1)-release (arm-unknown-linux-gnueabihf)
nas:~# uname -a
Linux nas 3.2.26 #1 SMP Tue Jun 17 15:53:22 PDT 2014 wd-2.2-rel armv7l GNU/Linux
nas:~# env x='() { :;}; echo vulnerable' bash -c "echo this is a test"
vulnerable
this is a test