CVE-2025-24002

MQTT DoS Vulnerability in German EV Charging Stations

State: Published
Severity: 5.3 Medium
Published: Jul 8, 2025
Updated: Jul 8, 2025
Reserved: Jan 16, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	CERTVDE

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
CHARX SEC-3150Phoenix Contact	0.0.0 through 1.6.5Affected
CHARX SEC-3100Phoenix Contact	0.0.0 through 1.6.5Affected
CHARX SEC-3050Phoenix Contact	0.0.0 through 1.6.5Affected
CHARX SEC-3000Phoenix Contact	0.0.0 through 1.6.5Affected

References

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

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