This indicates an attack attempt to exploit a stack Buffer Overflow vulnerability in SCADA 3S CoDeSys Gateway Server.
The vulnerability caused by insufficient boundary checks when the vulnerable software handles a malicious request. By sending a crafted requests to a targeted server, a remote attacker can exploit this to execute arbitrary code within the context of the server.
Smart Software Solutions CoDeSys prior to 220.127.116.11
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor.