

The guest devices might infect your home network. Using WPS might seem easier here, but it is not appropriate.

In case your home is full of guests, and you are trying to avoid sharing the password separately.

Anybody within the vicinity of the router can connect to it. If you have any visitors in the house, it is better to avoid using the WPS. You can stay close to the router and choose the WPS option on multiple devices within a short period instead of typing the password. Once you press the WPS button, the LED light starts blinking, showing the router will scan for devices for a couple of minutes. If you have moved to a new place or are setting up a new router at home and looking for a way around the activity of entering the long passwords in every device you use? That would be the ideal scenario to use the WPS button if most of your devices support the Wi-Fi-protected setup.
