CVE-2025-24002

MQTT DoS Vulnerability in German EV Charging Stations

Published Jul 8, 2025 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2025-20409 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.
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00071}

epss

{'score': 0.00084}

Type Values Removed Values Added
First Time appeared Phoenixcontact
Phoenixcontact charx Sec-3000
Phoenixcontact charx Sec-3000 Firmware
Phoenixcontact charx Sec-3050
Phoenixcontact charx Sec-3050 Firmware
Phoenixcontact charx Sec-3100
Phoenixcontact charx Sec-3100 Firmware
Phoenixcontact charx Sec-3150
Phoenixcontact charx Sec-3150 Firmware
CPEs cpe:2.3:h:phoenixcontact:charx_sec-3000:-:*:*:*:*:*:*:*
cpe:2.3:h:phoenixcontact:charx_sec-3050:-:*:*:*:*:*:*:*
cpe:2.3:h:phoenixcontact:charx_sec-3100:-:*:*:*:*:*:*:*
cpe:2.3:h:phoenixcontact:charx_sec-3150:-:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:charx_sec-3000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:charx_sec-3050_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:charx_sec-3100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:charx_sec-3150_firmware:*:*:*:*:*:*:*:*
Vendors & Products Phoenixcontact
Phoenixcontact charx Sec-3000
Phoenixcontact charx Sec-3000 Firmware
Phoenixcontact charx Sec-3050
Phoenixcontact charx Sec-3050 Firmware
Phoenixcontact charx Sec-3100
Phoenixcontact charx Sec-3100 Firmware
Phoenixcontact charx Sec-3150
Phoenixcontact charx Sec-3150 Firmware
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title MQTT DoS Vulnerability in German EV Charging Stations
Weaknesses CWE-20
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}