CVE-2025-41703: Phoenix Contact QUINT4-ups/24dc/24dc/10/eip

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

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

Affected products

• Phoenix Contact QUINT4-ups/24dc/24dc/10/eip
• Phoenix Contact QUINT4-ups/24dc/24dc/20/eip
• Phoenix Contact QUINT4-ups/24dc/24dc/40/eip
• Phoenix Contact QUINT4-ups/24dc/24dc/5/eip

Published 2025-10-14. Last modified 2026-06-17.