Apple released firmware updates for its lineup of AirPort and Time Capsule devices today that patch vulnerabilities used by the KRACK exploit.
Discovered by security researcher Mathy Vanhoef, the method of using key reinstallation attacks (KRACKs) allow attackers to read information that was previously assumed to be safely encrypted and steal sensitive information such as credit card numbers, passwords, chat messages, emails, photos, and so on.
You can learn more about the exploit by clicking here.
Back in October, Apple patched the WPA2 Wi-Fi KRACK exploit in iOS, macOS, watchOS, and tvOS.