CVE-2016-8377: Fatek PLC Winproladder Firmware

High severity, CVSS 8.0. EPSS: 8.9% chance of exploitation in the next 30 days.

An issue was discovered in Fatek Automation PLC WinProladder Version 3.11 Build 14701. A stack-based buffer overflow vulnerability exists when the software application connects to a malicious server, resulting in a stack buffer overflow. This causes an exploitable Structured Exception Handler (SEH) overwrite condition that may allow remote code execution.

Affected products

• Fatek PLC Winproladder Firmware: version 3.11 only

Published 2017-02-13. Last modified 2026-06-17.