Riskcovery

CVE-2025-41704

Phoenix Contact: Unauthenticated Modbus Service DoS via Crafted Function Code

State
Published
Severity
5.3 Medium
Published
Oct 14, 2025
Updated
Nov 3, 2025
Reserved
Apr 16, 2025

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.15.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LCERTVDE

Weaknesses

  • CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

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

References

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