CVE-2025-52549: Copeland e3 Supervisory Controller Firmware

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

E3 Site Supervisor Control (firmware version < 2.31F01) generates the root linux password on each boot. An attacker can generate the root linux password for a vulnerable device based on known or easy to fetch parameters.

Affected products

• Copeland e3 Supervisory Controller Firmware: before 2.31f01 (fixed in 2.31f01)

Published 2025-09-02. Last modified 2026-06-17.