CVE-2025-41707 MEDIUM

CVE-2025-41707: Phoenix Contact: WebSocket Handler Denial of Service

Vendor Phoenix Contact
Product QUINT4-UPS/24DC/24DC/5/EIP
Weakness CWE-120
Published October 14, 2025
Last update November 3, 2025

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 14, 2025 CVE published
November 3, 2025 Record updated