The Control Panel applet in WFTPD and WFTPD Pro 3.21 R1 and R2 allows remote authenticated users to cause a denial of service (crash) via a long FTP command.Referenceshttp://www.wftpd.com/bug_gpf.htmhttp://secunia.com/advisories/11160/https://exchange.xforce.ibmcloud.com/vulnerabilities/15510http://www.securiteam.com/windowsntfocus/5JP0B20CAY.htmlhttp://www.securityfocus.com/bid/9908