CVE-2019-18247: Hitachienergy Relion 650 Firmware

High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days.

An attacker may use a specially crafted message to force Relion 650 series (versions 1.3.0.5 and prior) or Relion 670 series (versions 1.2.3.18, 2.0.0.11, 2.1.0.1 and prior) to reboot, which could cause a denial of service.

Affected products

• Hitachienergy Relion 650 Firmware: up to and including 1.3.0.5
• Hitachienergy Relion 670 Firmware: up to and including 1.2.3.18; from 2.0.0, up to and including 2.0.0.11; from 2.1.0, up to and including 2.1.0.1

Published 2019-11-27. Last modified 2026-06-17.