CVE-2016-4519: Unitronics Visilogic Oplc IDE

Critical severity, CVSS 9.8. EPSS: 4.5% chance of exploitation in the next 30 days.

Stack-based buffer overflow in Unitronics VisiLogic OPLC IDE before 9.8.30 allows remote attackers to execute arbitrary code via a crafted filename field in a ZIP archive in a vlp file.

Affected products

• Unitronics Visilogic Oplc IDE: up to and including 9.8.22

Published 2016-06-25. Last modified 2026-06-17.