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.
It contains fixes that:
- Addresses an issue that prevents a USB hard drive connected to an AirPort Extreme from appearing as an available disk in Time Machine
- Resolves an issue that may intermittently cause a loss in WAN connectivity
- Resolves an issue that may result in a network loop
Note: This firmware update is for all 802.11n AirPort base stations.
For detailed information on AirPort base station and Time Capsule firmware updates, including instructions how to install the update, please visit:
For more information on using AirPort Extreme or AirPort Express with your Internet account, contact your ISP or go to the AppleCare Knowledge Base at: https://www.apple.com/support/airport
For information on the security content of this update, please visit: https://support.apple.com/kb/HT1222