Buffer overflow in Gene6 FTP Server 3.1.0 allows remote authenticated attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long argument to (1) MKD or (2) XMKD, as demonstrated by the Infigo FTPStress Fuzzer.
https://exchange.xforce.ibmcloud.com/vulnerabilities/26237
http://www.vupen.com/english/advisories/2006/1658
http://www.securityfocus.com/archive/1/432839/100/0/threaded