CVE-2020-25177: We-Con PLC Editor

High severity, CVSS 8.8. EPSS: 1.8% chance of exploitation in the next 30 days.

WECON PLC Editor Versions 1.3.8 and prior has a stack-based buffer overflow vulnerability has been identified that may allow arbitrary code execution.

Affected products

• We-Con PLC Editor: up to and including 1.3.8

Published 2020-12-01. Last modified 2026-06-17.