Vulnerability details

CVE-2025-41703

Phoenix Contact QUINT4-UPS/24DC/24DC/10/EIPPhoenix Contact QUINT4-UPS/24DC/24DC/20/EIPPhoenix Contact QUINT4-UPS/24DC/24DC/40/EIPPhoenix Contact QUINT4-UPS/24DC/24DC/5/EIP

Phoenix Contact: UPS Shutdown via Unauthenticated Modbus Command

CVSS 3.1

7.5High

Official description

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

CVSS scores

Score	Version	Source	Vector
7.5High	3.1	CVEProject cvelistV5 (CNA) (CERTVDE)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`

Affected products

Vendor	Product	Versions	Source
Phoenix Contact	QUINT4-UPS/24DC/24DC/10/EIP	VC:00 ≤ v ≤ VC:07	CVEProject cvelistV5 (CNA)
Phoenix Contact	QUINT4-UPS/24DC/24DC/20/EIP	VC:00 ≤ v ≤ VC:07	CVEProject cvelistV5 (CNA)
Phoenix Contact	QUINT4-UPS/24DC/24DC/40/EIP	VC:00 ≤ v ≤ VC:07	CVEProject cvelistV5 (CNA)
Phoenix Contact	QUINT4-UPS/24DC/24DC/5/EIP	VC:00 ≤ v ≤ VC:07	CVEProject cvelistV5 (CNA)

References and advisories

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Details

Published: 2025-10-14
Last updated: 2025-11-03
State: Published
Assigner (CNA): CERTVDE

Exploit prediction (EPSS)

1.05%

Probability of exploitation in 30 days

64.5%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Partial

Weaknesses (CWE)

CWE-306
Missing Authentication for Critical Function