Denial of Service Vulnerability in Webserver by CERT VDE
CVE-2025-41706

5.3MEDIUM

Key Information:

Vendor

Phoenix Contact

Status
Quint4-ups/24dc/24dc/5/eip
Quint4-ups/24dc/24dc/10/eip
Quint4-ups/24dc/24dc/20/eip
Quint4-ups/24dc/24dc/40/eip
Vendor
CVE Published:
14 October 2025

What is CVE-2025-41706?

A webserver flaw enables unauthenticated remote attackers to exploit a denial of service condition. By sending a specially crafted GET request with an excessively long content-length, attackers can trigger service disruptions without compromising the core functionality of the server. This vulnerability poses a significant risk, allowing malicious disruptions while minimizing detection.

Affected Version(s)

QUINT4-UPS/24DC/24DC/10/EIP VC:00

QUINT4-UPS/24DC/24DC/20/EIP VC:00

QUINT4-UPS/24DC/24DC/40/EIP VC:00

References

https://certvde.com/de/advisories/VDE-2025-072

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

D. Blagojevic, S. Dietz, F. Koroknai, T. Weber from CyberDanube Security Research
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CVE-2025-41706 : Denial of Service Vulnerability in Webserver by CERT VDE