The FTP proxy server in Apple AirPort Express, AirPort Extreme, and Time Capsule with firmware 7.5 does not restrict the IP address and port specified in a PORT command from a client, which allows remote attackers to leverage intranet FTP servers for arbitrary TCP forwarding via a crafted PORT command.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Airport_express | Apple | 7.5 (including) | 7.5 (including) |
| Airport_extreme | Apple | 7.5 (including) | 7.5 (including) |
| Time_capsule | Apple | 7.5 (including) | 7.5 (including) |