Apple 為 AirPort Extreme 基地台與 Time Capsule 基地台釋出了韌體更新，版本升級至 7.4.2。
The Time Capsule, AirPort Extreme, and AirPort Express Base Station with 802.11n* Firmware 7.4.2 update provides several fixes, including:
Fixes some problems with extending and maintaining connectivity with extended networks
Fixes an issue with clients that enable 802.11 “Power Save”
Fixes connectivity issues with some third-party devices
Fixes an issue when the base station is configured for PPPoE
Fixes some Back To My Mac issues with connectivity and support for third-party routers
It is recommended that AirPort Utility 5.4.2 or later be installed before upgrading to Firmware version 7.4.2.