This indicates an attack attempt to exploit a Buffer Overflow vulnerability in Omron CX-One.
The vulnerability is caused by an error in the application when handling malformed FLN files. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application, via a crafted FLN file.
CX-One Versions 4.42 and prior
CX-FLnet versions 1.00 and prior
CX-Protocol versions 1.992 and prior
CX-Programmer versions 9.65 and prior
CX-Server versions 5.0.22 and prior
Network Configurator versions 3.63 and prior
Switch Box Utility versions 1.68 and prior
System Compromise: Remote attackers can gain control of vulnerable systems.
Upgrade to the latest version, available from the web site.