CVE-2025-41706
Phoenix Contact: Webserver Denial of Service through Malformed Content-Length
Description
The webserver is vulnerable to a denial of service condition. An unauthenticated remote attacker can craft a special GET request with an over-long content-length to trigger the issue without affecting the core functionality.
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-2025-41706
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 | MEDIUM | 270ccfa6-a436-4e77-922e-914ec3a9685c | ||||
CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Configure webserver to limit request header size.
- Implement rate limiting on incoming requests.
- Update webserver to the latest version.
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-2025-41706
.
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-2025-41706
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-2025-41706
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-2025-41706
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-2025-41706
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 The webserver is vulnerable to a denial of service condition. An unauthenticated remote attacker can craft a special GET request with an over-long content-length to trigger the issue without affecting the core functionality. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Added CWE CWE-120 Added Reference https://certvde.com/de/advisories/VDE-2025-072