Apple issued a minor firmware update today to address issues specifically related to customers using USB hard drives with their routers, and fixes for intermittent loss in WAN connectivity as well as issues that may cause a network loop. You can view the full release notes below:
- 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
If you own an AirPort Extreme or Time Capsule, you can view more information about grabbing new firmware updates here.