CVE-2025-52550CWE-347

Firmware upgrade packages are unsigned

High · published September 2, 2025

CVSS v4.0
8.6
EPSS
0%
Percentile
12.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.6 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:L/SA:L
EPSS
0.00224 · 12.3th percentile
Weakness
CWE-347 · Improper Verification of Cryptographic Signature
Published
2025-09-02T11:26Z
EPSS history
Timeline
  • 02 SEP 11:26Z
    Firmware upgrade packages are unsigned
    cvelistv5