CVE-2025-24002 MQTT DoS Vulnerability in German EV Charging Stations
Unauthenticated remote attackers can crash services on Phoenix Contact EV charging stations via MQTT, causing temporary denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-24002?
CVE-2025-24002 is a medium-severity denial of service vulnerability in Phoenix Contact CHARX SEC-3000, published on 8 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-20
Which versions are affected by CVE-2025-24002?
It affects 4 products.
Products include Phoenixcontact Charx Sec-3000 Firmware, Phoenixcontact Charx Sec-3050 Firmware, Phoenixcontact Charx Sec-3100 Firmware, Phoenixcontact Charx Sec-3150 Firmware.
How do I fix CVE-2025-24002?
No fix has been published for CVE-2025-24002 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-24002 being exploited?
There is no known exploitation of CVE-2025-24002 in the wild and no public exploit code.
Other vulnerabilities in Phoenix Contact CHARX SEC-3000
- CVE-2025-25270 Remote Code Execution via Unauthenticated Configuration Manipulation
- CVE-2024-25995 PHOENIX CONTACT: Remote code execution in CHARX Series
- CVE-2025-25268 Unauthenticated Configuration Access via Exposed API Endpoint
- CVE-2025-25271 OCPP Backend Configuration via Insecure Defaults
- CVE-2024-26288 PHOENIX CONTACT: Lack of SSL support in CHARX Series
Sources
Also known as GHSA-r3v2-g9x9-gpj4.