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Vulnerabilities

Vulnerability · CVE-2025-41704

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.

Published Oct 14, 2025 · catalog updated Nov 3, 2025 · PHOENIX CONTACT QUINT4-UPS/24DC/24DC/40/EIP

Last checked Oct 23, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-41704. EPSS is 1.59%. Act only if a listed version of PHOENIX CONTACT QUINT4-UPS/24DC/24DC/40/EIP is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.59%
Remediation
Version ranges on file
Affected products
vendor PHOENIX CONTACT QUINT4-UPS/24DC/24DC/40/EIP VC:00 <VC:07

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor PHOENIX CONTACT QUINT4-UPS/24DC/24DC/40/EIP VC:00 <VC:07VC:00 <VC:07

How to fix CVE-2025-41704

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-41704. EPSS is 1.59%. Act only if a listed version of PHOENIX CONTACT QUINT4-UPS/24DC/24DC/40/EIP is installed.

Which versions are affected?

Compare what you have installed with PHOENIX CONTACT QUINT4-UPS/24DC/24DC/40/EIP VC:00 <VC:07 VC:00 <VC:07. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 1.59%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 14, 2025 · EUVD

    Detected

    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.

  2. Nov 3, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-41704

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-41704

    30-day exploitation probability 1.59%

    first.org
  • EUVDVulnerability recordEUVD-2025-34149

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 23, 2026
  • FIRST EPSSOct 23, 2026
  • EUVDOct 23, 2026