CVE-2018-10592: Yokogawa Fcj Firmware

Critical severity, CVSS 9.8. EPSS: 6.9% chance of exploitation in the next 30 days.

Yokogawa STARDOM FCJ controllers R4.02 and prior, FCN-100 controllers R4.02 and prior, FCN-RTU controllers R4.02 and prior, and FCN-500 controllers R4.02 and prior utilize hard-coded credentials that could allow an attacker to gain unauthorized administrative access to the device, which could result in remote code execution.

Affected products

• Yokogawa Fcj Firmware: up to and including r4.02
• Yokogawa Fcn-100 Firmware: up to and including r4.02
• Yokogawa Fcn-500 Firmware: up to and including r4.02
• Yokogawa Fcn-Rtu Firmware: up to and including r4.02

Published 2018-07-31. Last modified 2026-06-17.