MQTT DoS Vulnerability in German EV Charging Stations
Priority LOW 30CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00426 37th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Phoenix Contact | CHARX SEC-3150 | 0.0.0 – 1.6.5 | — | No fix listed | CNA |
| Phoenix Contact | CHARX SEC-3100 | 0.0.0 – 1.6.5 | — | No fix listed | CNA |
| Phoenix Contact | CHARX SEC-3050 | 0.0.0 – 1.6.5 | — | No fix listed | CNA |
| Phoenix Contact | CHARX SEC-3000 | 0.0.0 – 1.6.5 | — | No fix listed | CNA |
- CHARX SEC-3150 VendorPhoenix Contact Affected 0.0.0 – 1.6.5 Fixed in — No fix listed CNA
- CHARX SEC-3100 VendorPhoenix Contact Affected 0.0.0 – 1.6.5 Fixed in — No fix listed CNA
- CHARX SEC-3050 VendorPhoenix Contact Affected 0.0.0 – 1.6.5 Fixed in — No fix listed CNA
- CHARX SEC-3000 VendorPhoenix Contact Affected 0.0.0 – 1.6.5 Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:phoenixcontact:charx_sec-3000_firmware:*:*:*:*:*:*:*:* | up to 1.6.5 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:charx_sec-3000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:charx_sec-3050_firmware:*:*:*:*:*:*:*:* | up to 1.6.5 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:charx_sec-3050:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:charx_sec-3100_firmware:*:*:*:*:*:*:*:* | up to 1.6.5 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:charx_sec-3100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:charx_sec-3150_firmware:*:*:*:*:*:*:*:* | up to 1.6.5 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:charx_sec-3150:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
- cpe:2.3:o:phoenixcontact:charx_sec-3000_firmware:*:*:*:*:*:*:*:* Versions up to 1.6.5 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:charx_sec-3000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:charx_sec-3050_firmware:*:*:*:*:*:*:*:* Versions up to 1.6.5 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:charx_sec-3050:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:charx_sec-3100_firmware:*:*:*:*:*:*:*:* Versions up to 1.6.5 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:charx_sec-3100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:charx_sec-3150_firmware:*:*:*:*:*:*:*:* Versions up to 1.6.5 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:charx_sec-3150:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-24002
- 2026-10-03 Alias added: GHSA-r3v2-g9x9-gpj4
References
More Phoenix Contact vulnerabilities
- TI-2014-07463 Phoenix Contact Software ProConOs and MultiProg Missing Authentication for Critical Function CVSS 2.0CRITICAL 10.0
- TI-2024-17093 PHOENIX CONTACT: Remote code execution in CHARX Series CVSS 3.1CRITICAL 9.8
- TI-2022-13692 Insufficient Verification of Data Vulnerability in PHOENIX CONTACT classic line industrial controllers CVSS 3.1CRITICAL 9.8
- TI-2026-21959 Remote code execution via uploading a malicious IODD file CVSS 3.1CRITICAL 9.8
- TI-2026-21940 Authentication Bypass in _account_log CVSS 3.1CRITICAL 9.8
- TI-2023-03334 PHOENIX CONTACT: OS Command Injection in WP 6xxx Web panels CVSS 3.1CRITICAL 10.0
Sources
- CVE-2025-24002 · CVE Program
- CVE-2025-24002 · NVD
- FIRST EPSS
- GHSA-r3v2-g9x9-gpj4 · GitHub Advisory Database · CC BY 4.0
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