You should read the following article. https://www.androidcentral.com/hide-yo-kids-hide-yo-wi-fi-cuz-they-hacking-errbody-here
If you live in Panama and typically use WiFi at public places, you should be even more concerned. The fix will require a ROM fix for all WiFI routers and many public places in Panama will never update their routers.
All hardware vendors should be providing fixes soon. This is probably the most serious security hole that has been found to date.
If you have a home router providing Wifi, then you will need to watch your router manufacturer for a ROM update. Google should be providing a software fix for its OS soon.