CVE-2025-41704

MEDIUM

Phoenix Contact QUINT4-UPS - Unauthenticated Denial of Service via Modbus Function Code

Title source: llm

Description

An unauthanticated remote attacker can perform a DoS of the Modbus service by sending a specific function and sub-function code without affecting the core functionality.

References (2)

Core 2

Core References

Various Sources

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

Mailing List

http://seclists.org/fulldisclosure/2025/Oct/12

Scores

CVSS v3 5.3

EPSS 0.0150

EPSS Percentile 70.9%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-770

Status published

Products (4)

Phoenix Contact/QUINT4-UPS/24DC/24DC/10/EIP VC:00 - VC:07

Phoenix Contact/QUINT4-UPS/24DC/24DC/20/EIP VC:00 - VC:07

Phoenix Contact/QUINT4-UPS/24DC/24DC/40/EIP VC:00 - VC:07

Phoenix Contact/QUINT4-UPS/24DC/24DC/5/EIP VC:00 - VC:07

Published Oct 14, 2025

Tracked Since Feb 18, 2026