CVE-2017-6023: Fatek Ethernet Module Configuration Tool Cbe Firmware

Critical severity, CVSS 9.8. EPSS: 4.4% chance of exploitation in the next 30 days.

An issue was discovered in Fatek Automation PLC Ethernet Module. The affected Ether_cfg software configuration tool runs on the following Fatek PLCs: CBEH versions prior to V3.6 Build 170215, CBE versions prior to V3.6 Build 170215, CM55E versions prior to V3.6 Build 170215, and CM25E versions prior to V3.6 Build 170215. A stack-based buffer overflow vulnerability has been identified, which may allow remote code execution or crash the affected device.

Affected products

• Fatek Ethernet Module Configuration Tool Cbe Firmware: up to and including 3.5
• Fatek Ethernet Module Configuration Tool Cbeh Firmware: up to and including 3.5
• Fatek Ethernet Module Configuration Tool CM25E Firmware: up to and including 3.5
• Fatek Ethernet Module Configuration Tool CM55E Firmware: up to and including 3.5

Published 2017-03-16. Last modified 2026-06-17.