I've installed sshfs on my Thecus n2100, and I can mount a filesystem. The system hangs when I try to access it. :-(
I found its a module issue, perhaps?
Took me awhile to find a fuse-source .deb package, and was able to get one from packages.debian.org, I couldn't install it via apt-get, I had to download it manually and install it with dpkg.
Still no go, I'm trying to compile sshfs:
Wow fuse is really a mess on debian. Ugh. Oh maybe its just on the ARM platform?
Also, according to this:
the fuse-source file isn't relevant anymore.
Yes, this confirms that the problem is only on the ARM architecture:
Thought it still looks like there is generally trouble with fuse on debian: