CVE-2025-25271: Phoenixcontact Charx Sec-3000 Firmware

High severity, CVSS 8.8. EPSS: 0.3% chance of exploitation in the next 30 days.

An unauthenticated adjacent attacker is able to configure a new OCPP backend, due to insecure defaults for the configuration interface.

Affected products

• Phoenixcontact Charx Sec-3000 Firmware: before 1.7.3 (fixed in 1.7.3)
• Phoenixcontact Charx Sec-3050 Firmware: before 1.7.3 (fixed in 1.7.3)
• Phoenixcontact Charx Sec-3100 Firmware: before 1.7.3 (fixed in 1.7.3)
• Phoenixcontact Charx Sec-3150 Firmware: before 1.7.3 (fixed in 1.7.3)

Published 2025-07-08. Last modified 2026-06-17.