The vulnerability of Mitsubishi Electric’s M8V, M8, C80, and IoT Unit series controllers’ microprogramming software lies in the fact that the operation output goes beyond the buffer in memory. This allows a hacker to cause a malfunction in the device or execute arbitrary code.

The vulnerability of Mitsubishi Electric’s M8V, M8, C80, and IoT Unit microcontroller software lies in the fact that the operation data is stored outside the buffer in memory. Exploiting this vulnerability allows a malicious actor to cause malfunctions in the device, or execute arbitrary code by...