CVE-2025-24002

MQTT DoS Vulnerability in German EV Charging Stations

CVSS 5.3 MEDIUMEPSS 0.4%CWE-20

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.3EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

08 Jul 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Phoenix Contact · CHARX SEC-3000 Phoenix Contact · CHARX SEC-3050 Phoenix Contact · CHARX SEC-3100 Phoenix Contact · CHARX SEC-3150

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References

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