Riskcovery

CVE-2025-41707

Phoenix Contact: WebSocket Handler Denial of Service

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 websocket handler is vulnerable to a denial of service condition. An unauthenticated remote attacker can send a crafted websocket message 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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