Buffer overflow in Texas Imperial Software WFTPD Pro Server 3.23.1.1 allows remote authenticated users to execute arbitrary code or cause a denial of service (application crash) via crafted APPE commands that contain "/" (slash) or "\" (backslash) characters.
http://marc.info/?l=full-disclosure&m=116289234522958&w=2
http://marc.info/?l=full-disclosure&m=116295408114746&w=2
http://securityreason.com/securityalert/1837
http://securitytracker.com/id?1017173