fsck, as used by the AirPort Disk feature of the AirPort Extreme Base Station with 802.11n before Firmware Update 7.1, and by Apple Mac OS X 10.3.9 through 10.4.9, does not properly enforce password protection of a USB hard drive, which allows context-dependent attackers to list arbitrary directories or execute arbitrary code, resulting from memory corruption.
https://exchange.xforce.ibmcloud.com/vulnerabilities/33527
http://www.vupen.com/english/advisories/2007/1470
http://www.vupen.com/english/advisories/2007/1308
http://www.us-cert.gov/cas/techalerts/TA07-109A.html
http://www.securitytracker.com/id?1017942
http://www.securitytracker.com/id?1017889
http://www.securityfocus.com/bid/23569
http://www.securityfocus.com/bid/23396
http://secunia.com/advisories/24966
http://secunia.com/advisories/24830
http://lists.apple.com/archives/security-announce/2007/Apr/msg00000.html
http://lists.apple.com/archives/Security-announce/2007/Apr/msg00001.html