CVE-2025-41704

Phoenix Contact: Unauthenticated Modbus Service DoS via Crafted Function Code

Published Oct 14, 2025 CVSS 3.1 · 5.3 Medium EPSS 1.6% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Phoenix Contact
Phoenix Contact quint4-ups/24dc/24dc/10/eip
Phoenix Contact quint4-ups/24dc/24dc/20/eip
Phoenix Contact quint4-ups/24dc/24dc/40/eip
Phoenix Contact quint4-ups/24dc/24dc/5/eip
Vendors & Products Phoenix Contact
Phoenix Contact quint4-ups/24dc/24dc/10/eip
Phoenix Contact quint4-ups/24dc/24dc/20/eip
Phoenix Contact quint4-ups/24dc/24dc/40/eip
Phoenix Contact quint4-ups/24dc/24dc/5/eip
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Phoenix Contact: Unauthenticated Modbus Service DoS via Crafted Function Code
Weaknesses CWE-770
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERTVDE
Published
Updated
Nov 3, 2025, 5:44 PM
Reserved
Apr 16, 2025, 11:17 AM
Status
Deferred
Published
Oct 14, 2025, 8:15 AM
Modified
Oct 18, 2026, 9:10 PM