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CVE-2025-41703

Phoenix Contact: UPS Shutdown via Unauthenticated Modbus Command

HIGH
7.5
CVSS Score
Published: October 14, 2025 at 08:05 AM UTC
Updated: October 18, 2026 at 09:10 PM UTC
4 products affected across 1 vendorQUINT4-UPS/24DC/24DC/10/EIPQUINT4-UPS/24DC/24DC/5/EIPQUINT4-UPS/24DC/24DC/40/EIP

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Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

An unauthenticated remote attacker can cause a Denial of Service by turning off the output of the UPS via Modbus command.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: [email protected]
https://certvde.com/de/advisories/VDE-2025-072
Source: af854a3a-2127-422b-91ae-364da2661108
http://seclists.org/fulldisclosure/2025/Oct/12

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCERTVDE
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-306

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