Yokogawa STARDOM Controllers FCJ, FCN-100, FCN-RTU, FCN-500, All versions R4.10 and prior, The web application improperly protects credentials which could allow an attacker to obtain credentials for remote access to controllers.
https://web-material3.yokogawa.com/YSAR-18-0007-E.pdf
https://web-material3.yokogawa.com/YSAR-18-0007-E.pdf