Mywifiext is the default online portal for Netgear extenders. A lot of users come across mywifiext.net not working issue during the setup process. This is because it is just a local web address instead of a standard website on the Internet. To fix the issue, change your web browser and use the correct web address to access www mywifiext net setup wizard. Also, make sure to use the default mywifiext.net login password.