This indicates an attack attempt to exploit a Buffer Overflow Vulnerability in OMRON CX-One CX-FLnet.
The vulnerability is due to input validation error when processing TargetPLC parameter of the FLN configuration file. A remote attacker could exploit this vulnerability by enticing a target user into opening a maliciously crafted project file. Successful exploitation could result in arbitrary code execution in the context of the target user. Unsuccessful exploitation could result in termination of the application.
OMRON CX-One 4.60 and prior
OMRON CX-One CX-FLnet versions 1.1 and prior
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor.