CVE-2017-14855: Redlion HMI Panel Firmware

High severity, CVSS 8.6. EPSS: 1.4% chance of exploitation in the next 30 days.

Red Lion HMI panels allow remote attackers to cause a denial of service (software exception) via an HTTP POST request to a long URI that does not exist, as demonstrated by version HMI 2.41 PLC 2.42.

Affected products

• Redlion HMI Panel Firmware: version 2.41 only

Published 2017-12-30. Last modified 2026-06-17.