CVE-2025-25270: Phoenixcontact Charx Sec-3000 Firmware

Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days.

An unauthenticated remote attacker can alter the device configuration in a way to get remote code execution as root with specific configurations.

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.