The issue is related to the use of uncontrolled format strings in the GTWWebMonitor.exe executable file of the SCADA Data Gateway system. An unauthenticated attacker can send specially crafted broadcast messages, including format string characters, to perform unrestricted memory reads. This can be used to repeatedly crash the GTWWebMonitor.exe process, resulting in a denial of service (DoS) of the Web Monitor. Furthermore, an authenticated user can leverage this vulnerability to leak memory from the GTWWebMonitor.exe process, which could be used in an exploit chain to gain code execution.