Buffer overflow in the Field Device Tool (FDT) Frame application in the HART Device Type Manager (DTM) library, as used in MACTek Bullet DTM 1.00.0, GE Vector DTM 1.00.0, GE SVi1000 Positioner DTM 1.00.0, GE SVI II AP Positioner DTM 2.00.1, and GE 12400 Level Transmitter DTM 1.00.0, allows remote attackers to cause a denial of service (DTM outage) via crafted packets.