AirPort Base Station
Firmware Update

Note: Install the update using AirPort Utility (located in /Applications/Utilities/).

The AirPort Base Station Firmware Update is recommended for all AirPort Extreme and AirPort Time Capsule base stations with 802.11ac. It provides security improvements related to SSL/TLS.

• Firmware update 7.7.9 improves the security of your base station and is recommended for all AirPort Extreme and AirPort Time Capsule base stations with 802.11ac.
• AirPort Base Station Firmware
  Available for: AirPort Extreme and AirPort Time Capsule base stations with 802.11ac
  Impact: An attacker within range may be able to execute arbitrary code on the Wi-Fi chip
  Description: A memory corruption issue was addressed with improved memory handling.
• AirPort Base Station Firmware
  Available for: AirPort Extreme and AirPort Time Capsule base stations with 802.11ac
  Impact: An attacker in Wi-Fi range may force nonce reuse in WPA unicast/PTK clients (Key Reinstallation Attacks - KRACK)
  Description: A logic issue existed in the handling of state transitions. This was addressed with improved state management.
• AirPort Base Station Firmware
  Available for: AirPort Extreme and AirPort Time Capsule base stations with 802.11ac
  Impact: An attacker in Wi-Fi range may force nonce reuse in WPA multicast/GTK clients (Key Reinstallation Attacks - KRACK)
  Description: A logic issue existed in the handling of state transitions. This was addressed with improved state management.