The OLE Point of Sale (OPOS) drivers before 1.13.003 on HP Point of Sale Windows PCs allow remote attackers to execute arbitrary code via vectors involving OPOSLineDisplay.ocx for Retail RP7 VFD Customer Display monitors, Retail Integrated 2x20 Display monitors, Retail Integrated 2x20 Complex monitors, POS Pole Display monitors, Graphical POS Pole Display monitors, and LCD Pole Display monitors, aka ZDI-CAN-2511.