CVE-2025-52550: Firmware upgrade packages are unsigned

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-09-02 · updated 2026-06-17
Weakness: CWE-347

Description

E3 Site Supervisor Control (firmware version < 2.31F01) firmware upgrade packages are unsigned. An attacker can forge malicious firmware upgrade packages. An attacker with admin access to the application services can install a malicious firmware upgrade.

Affected products

Copeland LP E3 Supervisory Control: before 2.31f01 — fixed in 2.31f01

How to fix

Upgrade to a fixed version: Copeland LP E3 Supervisory Control 2.31f01. Check the vendor advisory for mitigations.

References

https://www.armis.com/research/frostbyte10/

Get alerted when CVE-2025-52550 or the next vulnerability affects your stack