Could this issue only be for KDE?
No. It will be for anything using NetworManager, which is default for every DE / WM on EnOS.
Pudge
This is a little bit off-topic, but some of these SSIDs are hilarious! 
The top one is mine, obviously (it used to be called “Do Or Do Not There Is No WiFi”). “The LAN Before Time” is my guest WiFi 