Riskcovery

CVE-2025-41703

Phoenix Contact: UPS Shutdown via Unauthenticated Modbus Command

State
Published
Severity
7.5 High
Published
Oct 14, 2025
Updated
Nov 3, 2025
Reserved
Apr 16, 2025

Read the record on cve.org

Description

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

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCERTVDE

Weaknesses

  • CWE-306 Missing Authentication for Critical Function

Affected Products

ProductVersions
QUINT4-UPS/24DC/24DC/5/EIPPhoenix Contact
  • VC:00 through VC:07Affected
QUINT4-UPS/24DC/24DC/10/EIPPhoenix Contact
  • VC:00 through VC:07Affected
QUINT4-UPS/24DC/24DC/20/EIPPhoenix Contact
  • VC:00 through VC:07Affected
QUINT4-UPS/24DC/24DC/40/EIPPhoenix Contact
  • VC:00 through VC:07Affected

References

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