Integer underflow in filecpnt.exe in FileCOPA FTP Server 1.01 before 2006-07-21 allow remote authenticated users to execute arbitrary code via a long argument to the (1) CWD, (2) DELE, (3) MDTM, and (4) MKD commands, which triggers a stack-based buffer overflow.
https://exchange.xforce.ibmcloud.com/vulnerabilities/27941
http://www.vupen.com/english/advisories/2006/2960
http://www.securityfocus.com/bid/19153
http://www.securityfocus.com/archive/1/441207/100/0/threaded
http://www.kb.cert.org/vuls/id/RGII-6TYN6M
http://www.kb.cert.org/vuls/id/713092
http://securityreason.com/securityalert/1300