Vulnerability · CVE-2025-41703
An unauthenticated remote attacker can cause a Denial of Service by turning off the output of the UPS via Modbus command.
Published Oct 14, 2025 · catalog updated Nov 3, 2025 · PHOENIX CONTACT QUINT4-UPS/24DC/24DC/10/EIP
Last checked Nov 1, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-41703. EPSS is 1.05%. Act only if a listed version of PHOENIX CONTACT QUINT4-UPS/24DC/24DC/10/EIP is installed.
Gaps on this record
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High7.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 1.05%
- Remediation
- Vendor / distro source
- Affected products
- vendor PHOENIX CONTACT QUINT4-UPS/24DC/24DC/10/EIP VC:00 ≤VC:07
An unauthenticated remote attacker can cause a Denial of Service by turning off the output of the UPS via Modbus command.
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/10/EIP VC:00 ≤VC:07VC:00 ≤VC:07
How to fix CVE-2025-41703
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
No version range is stored, so an installed version cannot be checked on this page.
Advisory
Open the cve_org record and follow its fix.
Official advisories
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-2025-41703. EPSS is 1.05%. Act only if a listed version of PHOENIX CONTACT QUINT4-UPS/24DC/24DC/10/EIP is installed.
Which versions are affected?
Compare what you have installed with PHOENIX CONTACT QUINT4-UPS/24DC/24DC/10/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 1.05%. 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.
Oct 14, 2025 · EUVD
Detected
An unauthenticated remote attacker can cause a Denial of Service by turning off the output of the UPS via Modbus command.
Nov 3, 2025 · EUVD
Updated
An unauthenticated remote attacker can cause a Denial of Service by turning off the output of the UPS via Modbus command.
Sources
- CVE.orgVulnerability recordCVE-2025-41703
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-41703
30-day exploitation probability 1.05%
first.org - EUVDVulnerability recordEUVD-2025-34150
An unauthenticated remote attacker can cause a Denial of Service by turning off the output of the UPS via Modbus command.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 1, 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