Buffer overflow in WFTPD Server 3.23 allows remote attackers to execute arbitrary code via long SIZE commands.
https://www.exploit-db.com/exploits/2233
https://exchange.xforce.ibmcloud.com/vulnerabilities/28523
https://euvd.enisa.europa.eu/vulnerability/EUVD-2006-4306
http://www.vupen.com/english/advisories/2006/3357
http://www.securityfocus.com/bid/19617
http://securitytracker.com/id?1016723