https://www.theregister.co.uk/2017/10/16/wpa2_krack_attack_security_wifi_wireless/

Users are urged to continue using WPA2 pending the availability of a fix, experts have said, as a security researcher goes public with more information about a serious flaw in the security protocol.

Key Reinstallation Attacks work against all modern protected Wi-Fi networks. Depending on the network configuration, it is also possible to inject and manipulate data as well as eavesdropping on communications. The only main limitation is that an attacker needs to be within range of a victim to exploit these weaknesses.