CVE-2018-7852

Name of the Vulnerable Software and Affected Versions: Modicon M580 (affected versions not specified) Modicon M340 (affected versions not specified) Modicon Quantum (affected versions not specified) Modicon Premium (affected versions not specified)

Description: A denial of service issue exists due to an uncaught exception when an invalid private command parameter is sent to the controller over Modbus.

Recommendations: For Modicon M580, restrict access to the Modbus interface to minimize the risk of exploitation. For Modicon M340, avoid using invalid private command parameters in the Modbus protocol until the issue is resolved. For Modicon Quantum, consider implementing input validation for private command parameters to prevent denial of service. For Modicon Premium, restrict access to the Modbus interface to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.