CVE-2025-41703
Phoenix Contact: UPS Shutdown via Unauthenticated Modbus Command
An unauthenticated remote attacker can cause a Denial of Service by turning off the output of the UPS via Modbus command.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Phoenix Contact: UPS Shutdown via Unauthenticated Modbus Command
An unauthenticated remote attacker can cause a Denial of Service by turning off the output of the UPS via Modbus command.
- Record
CVE-2025-41703- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
EUVDEUVD-2025-34150
An unauthenticated remote attacker can cause a Denial of Service by turning off the output of the UPS via Modbus command.
- Record
EUVD-2025-34150- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-gv4w-qrcx-c827
An unauthenticated remote attacker can cause a Denial of Service by turning off the output of the...
An unauthenticated remote attacker can cause a Denial of Service by turning off the output of the UPS via Modbus command.
- Record
GHSA-gv4w-qrcx-c827- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
NVD
An unauthenticated remote attacker can cause a Denial of Service by turning off the output of the UPS via Modbus command.
- Record
CVE-2025-41703- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-41703 is a high vulnerability (CVSS 7.5) in Phoenix Contact Quint4-ups/24dc/24dc/10/eip, published October 14, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.05%, the 64th percentile. No source names a fixed version.