Home FTP Server 1.4.5.89 allows remote attackers to cause a denial of service (crash) by opening a FTP passive mode connection, then closing the original FTP connection. NOTE: some of these details are obtained from third party information.
https://www.exploit-db.com/exploits/5270
http://www.securityfocus.com/bid/28283
http://www.securityfocus.com/archive/1/489706/100/0/threaded