A vulnerability discovered in Schneider Electric (SE) Modicon programmable logic controllers (PLCs) allows full takeover of the industrial chips.

Leveraging the same application development software, Unity™, as its brethren, the Modicon M340 PAC gives users the ability to quickly select, program and implement the controller to optimally manage ...

Last year, the Armis researchers analyzed the firmware of M340 PLCs and discovered an undocumented command called pu_ReadPhysicalAddress that did not require authentication.