The client in Schneider Electric Software Update (SESU) Utility 1.0.x and 1.1.x does not ensure that updates have a valid origin, which allows man-in-the-middle attackers to spoof updates, and consequently execute arbitrary code, by modifying the data stream on TCP port 80.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.