This indicates an attack attempt against a buffer-overflow vulnerability in the Softek Barcode Reader Toolkit 'SoftekATL.dll' ActiveX control.
The vulnerability is caused by an error when the vulnerable software handles a specially crafted argument to the DebugTraceFile method. It allows a remote attacker to execute arbitrary code.
Softek Barcode Reader 18.104.22.168
System Compromise: Remote attackers can gain control of vulnerable systems.
There are no vendor supplied patches available at this time.