CVE-2025-41703
Phoenix Contact: UPS Shutdown via Unauthenticated Modbus Command
Description
An unauthenticated remote attacker can cause a Denial of Service by turning off the output of the UPS via Modbus command.
INFO
Published Date :
Oct. 14, 2025, 8:15 a.m.
Last Modified :
Oct. 14, 2025, 7:36 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-41703
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 | 270ccfa6-a436-4e77-922e-914ec3a9685c | ||||
CVSS 3.1 | HIGH | [email protected] |
Solution
- Restrict network access to Modbus interfaces.
- Apply firmware updates from the vendor.
- Disable unnecessary Modbus functions.
- Monitor network traffic for suspicious activity.
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-2025-41703
.
URL | Resource |
---|---|
https://certvde.com/de/advisories/VDE-2025-072 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-41703
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-2025-41703
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-2025-41703
vulnerability anywhere in the article.

-
seclists.org
CyberDanube Security Research 20251014-0 | Multiple Vulnerabilities in Phoenix Contact QUINT4 UPS
Full Disclosure mailing list archives CyberDanube Security Research 20251014-0 | Multiple Vulnerabilities in Phoenix Contact QUINT4 UPS From: Thomas Weber | CyberDanube via Fulldisclosure <fulldisclos ... Read more
The following table lists the changes that have been made to the
CVE-2025-41703
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]
Oct. 14, 2025
Action Type Old Value New Value Added Description An unauthenticated remote attacker can cause a Denial of Service by turning off the output of the UPS via Modbus command. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-306 Added Reference https://certvde.com/de/advisories/VDE-2025-072