CVE-2018-14827: Rockwellautomation Rslinx

High severity, CVSS 7.5. EPSS: 3.8% chance of exploitation in the next 30 days.

Rockwell Automation RSLinx Classic Versions 4.00.01 and prior. A remote, unauthenticated threat actor may intentionally send specially crafted Ethernet/IP packets to Port 44818, causing the software application to stop responding and crash. The user must restart the software to regain functionality.

Affected products

• Rockwellautomation Rslinx: up to and including 4.00.01

Published 2018-09-20. Last modified 2026-06-17.