Your crypto becomes less safe, because the attacker can send malicious files to you or hijack your connection (though this is not a easy job too). They can also edit your network connectivity and they can add something like malicious website that needs to be opened if you want to use your connectivity.
If wireless network is hacked through WPS, hacker have only access to network, means he can use your internet for surfing. I think that in case of such hack only damage is in possibly slow internet, and in the fact that hacker can do bad things using your IP address.
Users can have much bigger problems if their wireless network is hacked by cracking WEP/WPA-PSK/2 protection, and if they did not set unique admin user name / password for router access. Then hacker can log into victim router and change settings, even password / SSID. Luckily reseting router to factory settings will solve such problems.
Back in 2017 researchers have found and published that even WPA-PSK/2 protection is not safe, so be sure all your devices are updated (routers, PC, smart phones).
Key Reinstallation Attacks