CVE-2025-52546: Copeland e3 Supervisory Controller Firmware

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

E3 Site Supervisor Control (firmware version < 2.31F01) has a floor plan feature that allows for an unauthenticated attacker to upload floor plan files. By uploading a specially crafted floor plan file, an attacker can inject a stored XSS to the floorplan web page.

Affected products

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

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