Buffer overflow in RSEds.dll in RSHWare.exe in the EDS Hardware Installation Tool 1.0.5.1 and earlier in Rockwell Automation RSLinx Classic before 2.58 allows user-assisted remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a malformed .eds file.
http://www.securityfocus.com/bid/48092
http://www.kb.cert.org/vuls/id/MAPG-8G9PWX
http://www.kb.cert.org/vuls/id/127584
http://rockwellautomation.custhelp.com/app/answers/detail/a_id/279194