Apple today released a new AirPort Base Station Firmware Update for the Airport Express, AirPort Extreme, and AirPort Time Capsule.
According to Apple, the new 7.8.1 update "improves the security of your base station" and is recommend for all Apple 802.11n Wi-Fi Base Stations. This update is for 802.11n Base Stations and not the 802.11ac models, which are already running 7.9.1 firmware....