Apple today released AirPort Base Station and Time Capsule Firmware Update 7.6.1 which is intended for all 802.11n AirPort Express, 802.11n AirPort Extreme and Time Capsule models.
The update fixes an issue with wireless performance and provides support for remote access to an AirPort disk or a Time Capsule hard drive with an iCloud account.
Detailed information on AirPort base station and Time Capsule firmware updates, including instructions how to install the update, here
[Thanks to MacDailyNews Reader “Deus Ex Technica” for the heads up.]