This indicates an attack attempt against a Buffer Overflow vulnerability in Horner Automation Cscape.
The vulnerability is due to an error when the vulnerable software handles a maliciously crafted csp file. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application, via a crafted csp file.
version 9.80 SP2
System Compromise: Remote attackers can gain control of vulnerable systems
Refer to the ICS-CERT advisory for updates: