CVE-2025-24002

MEDIUM

PHOENIX CONTACT CHARX SEC-3000/3050/3100/3150 Firmware < 1.6.5 - Unauthenticated Denial of Service via MQTT Messages

Title source: llm

Description

An unauthenticated remote attacker can use MQTT messages to crash a service on charging stations complying with German Calibration Law, resulting in a temporary denial-of-service for these stations until they got restarted by the watchdog.

References (1)

Core 1

Core References

Third Party Advisory

https://certvde.com/en/advisories/VDE-2025-014

Scores

CVSS v3 5.3

EPSS 0.0036

EPSS Percentile 27.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-20

Status published

Products (4)

phoenixcontact/charx_sec-3000_firmware < 1.6.5

phoenixcontact/charx_sec-3050_firmware < 1.6.5

phoenixcontact/charx_sec-3100_firmware < 1.6.5

phoenixcontact/charx_sec-3150_firmware < 1.6.5

Published Jul 08, 2025

Tracked Since Feb 18, 2026