CVE-2025-24004: Phoenixcontact Charx Sec-3000 Firmware

Medium severity, CVSS 5.2. EPSS: 0.2% chance of exploitation in the next 30 days.

A physical attacker with access to the device display via USB-C can send a message to the device which triggers an unsecure copy to a buffer resulting in loss of integrity and a temporary denial-of-service for the stations until they got restarted by the watchdog.

Affected products

• Phoenixcontact Charx Sec-3000 Firmware: up to and including 1.6.5
• Phoenixcontact Charx Sec-3050 Firmware: up to and including 1.6.5
• Phoenixcontact Charx Sec-3100 Firmware: up to and including 1.6.5
• Phoenixcontact Charx Sec-3150 Firmware: up to and including 1.6.5

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