CVE-2025-53520

HIGH

Firmware Update - Code Injection

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 8.8
EPSS 0.0003
EPSS Percentile 7.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-494
Status published
Products (7)
EG4 Electronics/EG4 12000XP all versions
EG4 Electronics/EG4 12kPV all versions
EG4 Electronics/EG4 18kPV all versions
EG4 Electronics/EG4 6000XP all versions
EG4 Electronics/EG4 Flex 18 all versions
EG4 Electronics/EG4 Flex 21 all versions
EG4 Electronics/EG4 GridBoss all versions
Published Aug 08, 2025
Tracked Since Feb 18, 2026