http://e3lnwcbat7ow5cikeb4jplrxtaf7ydoyhprbcegk4lcbzg22pvrz2tyd.onion/en/product/wifi-hacker.html
The wifi communication protocol as such is vulnerable (this is not new, it has always been the case), and no matter who owns a wifi network or how much knowledge they have, the wifi technology as such is vulnerable and no network is the exception.