I ran your script and my Linksys WRT600N fw version 1.01.36 build 3 is not vulnerable, connection refused. This is the last FW they made for it. They no longer offer any FW on their website so I had to dig through my HDD to find it since I was on DD-WRT lol.

Thanks for all your work with this. The fact that some actively listen on that port is scary to say the least.