This indicates an attack attempt to exploit a Buffer Overflow Vulnerability in Wecon LeviStudio
A remote attacker may exploit this vulnerability by enticing the victim to open a crafted .csv data log file using a vulnerable version of the DataLogTool.exe. Successful exploitation could lead to code execution under the security context of the user. Unsuccessful exploitation would lead to the application crash.
Wecon LeviStudio 1.8.56 and prior
System Compromise: Remote attackers can gain control of vulnerable systems.
Refer to the advisory provided by ICS-CERT for updates: