CVE-2025-53520
EG4 Firmware Update Vulnerability - Unchecked Archive Exploitation
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.
INFO
Published Date :
Aug. 8, 2025, 5:15 p.m.
Last Modified :
Aug. 8, 2025, 8:30 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-53520
vulnerability.
Even if cvefeed.io
is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
---|---|---|---|---|---|---|
CVSS 3.1 | HIGH | [email protected] | ||||
CVSS 4.0 | HIGH | [email protected] |
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-53520
.
URL | Resource |
---|---|
https://eg4electronics.com/contact/ | |
https://www.cisa.gov/news-events/ics-advisories/icsa-25-219-07 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-53520
is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-53520
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-53520
vulnerability anywhere in the article.

-
The Cyber Express
CISA Warns of Critical ICS Flaws in Siemens, Tigo Energy, and EG4 Equipment
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) have released four new Industrial Control Systems (ICS) advisories. These advisories expose multiple vulnerabilities in widely used ICS ... Read more

-
Daily CyberSecurity
CISA Alert: Critical Flaws Expose EG4 Electronics Inverters to Remote Takeover
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued a risk evaluation warning about multiple high-severity vulnerabilities affecting all versions of several EG4 Electronics inv ... Read more
The following table lists the changes that have been made to the
CVE-2025-53520
vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Aug. 08, 2025
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Added CWE CWE-494 Added Reference https://eg4electronics.com/contact/ Added Reference https://www.cisa.gov/news-events/ics-advisories/icsa-25-219-07