CVE-2025-53520 HIGH

CVE-2025-53520: EG4 Electronics EG4 Inverters Download of Code Without Integrity Check

Vendor Eg4 Electronics
Product EG4 12kPV
Weakness CWE-494 · Download without integrity check
Published August 8, 2025
Last update August 8, 2025

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 8, 2025 CVE published
August 8, 2025 Record updated