CVE-2025-25268: Phoenixcontact Charx Sec-3000 Firmware

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

An unauthenticated adjacent attacker can modify configuration by sending specific requests to an API-endpoint resulting in read and write access due to missing authentication.

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.