CVE-2019-6828
A CWE-248: Uncaught Exception vulnerability exists Modicon M580 (firmware version prior to V2.90), Modicon M340 (firmware version prior to V3.10), Modicon Premium (all versions), and Modicon Quantum (all versions), which could cause a possible denial of service when reading specific coils and registers in the controller over Modbus.
Source: CVE-2019-6828