Trend Micro OfficeScan 6.0 in Client/Server/Messaging (CSM) Suite for SMB 2.0 before 6.0.0.1385, and OfficeScan Corporate Edition (OSCE) 6.5 before 6.5.0.1418, 7.0 before 7.0.0.1257, and 7.3 before 7.3.0.1053 allow remote attackers to delete files via a modified filename parameter in a certain HTTP request that invokes the OfficeScan CGI program.