VULNERABILITY INTELLIGENCE
CVE-2025-53520
CVSS score8.8 HIGH
EPSS probability0.22%
CISA KEVNot currently listed
Published2025-08-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Description
The affected product allows firmware updates to be downloaded from EG4's website, transferred via USB dongles, or installed through EG4's Monitoring Center (remote, cloud-connected interface) or via a serial connection, and can install these files without integrity checks. The TTComp archive format used for the firmware is unencrypted and can be unpacked and altered without detection.
Weakness classification
- ics-cert@hq.dhs.gov: CWE-494