This indicates an attack attempt to exploit a Heap-based Buffer Overflow Vulnerability in OMRON CX-One.
The vulnerability is due to an error in the vulnerable application when handling a maliciously crafted FLN configuration file. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application, via a crafted FLN configuration file.
OMRON CX-One 4.42 and prior
System Compromise: Remote attackers can gain control of vulnerable systems.
Please refer to the ISC-CERT for updates: