Multiple buffer overflows in Client Software WinCom LPD Total 3.0.2.623 and earlier allow remote attackers to execute arbitrary code via (1) a long 0x02 command to the remote administration service on TCP port 13500 or (2) a long invalid control filename to LPDService.exe on TCP port 515.
http://www.vupen.com/english/advisories/2008/0410
http://www.securityfocus.com/archive/1/487507/100/200/threaded
http://securityreason.com/securityalert/4610