Riskcovery

CVE-2025-41706

Phoenix Contact: Webserver Denial of Service through Malformed Content-Length

State
Published
Severity
5.3 Medium
Published
Oct 14, 2025
Updated
Nov 3, 2025
Reserved
Apr 16, 2025

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.15.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LCERTVDE

Weaknesses

  • CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Affected Products

ProductVersions
QUINT4-UPS/24DC/24DC/5/EIPPhoenix Contact
  • VC:00 to before VC:07Affected
QUINT4-UPS/24DC/24DC/10/EIPPhoenix Contact
  • VC:00 to before VC:07Affected
QUINT4-UPS/24DC/24DC/20/EIPPhoenix Contact
  • VC:00 to before VC:07Affected
QUINT4-UPS/24DC/24DC/40/EIPPhoenix Contact
  • VC:00 to before VC:07Affected

References

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