Affected: PHOENIX CONTACT ILC 131, PHOENIX CONTACT ILC 151, PHOENIX CONTACT ILC 171, PHOENIX CONTACT ILC 191 ETH

An unauthenticated remote attacker may use an uncontrolled resource consumption in the IEC 61131 program of the affected products by creating large amounts of network traffic that needs to be handled by the ILC. This results in a Denial-of-Service of the device.