WPA2-TKIP is very hackable. So is WPS connectivity. These are searchable in an IoT search engine (Shodan). WPS is hackable in 5 seconds. Your guides show the ability to disable WPS but I see it nowher

Recently I've started to get a 'weak security' alert when I connect my iPad to the internet via my network extender but it doesn't appear when I'm closer to my router. Is this a TP LInk issue or iPad