PatchTheCVECVE-2025-24003: An unauthenticated remote attacker can use MQTT messages to trigger out-of-bounds writes in charging stations
CVE-2025-24003 is a high-severity flaw (CVSS 8.2) affecting charx sec-3000 firmware, charx sec-3050 firmware, charx sec-3100 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An unauthenticated remote attacker can use MQTT messages to trigger out-of-bounds writes in charging stations complying with German Calibration Law, resulting in a loss of integrity for only EichrechtAgents and potential denial-of-service for these stations.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.2 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 66%) |
| CISA exploited list | No |
| Weakness | CWE-120 |
| Published | 2025-07-08 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-24003?
charx sec-3000 firmware: upgrade to newer than 1.6.5; charx sec-3050 firmware: upgrade to newer than 1.6.5; charx sec-3100 firmware: upgrade to newer than 1.6.5. Exact commands for each OS are on this page.
Is CVE-2025-24003 being exploited?
CVE-2025-24003 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-24003 affect?
CVE-2025-24003 affects charx sec-3000 firmware, charx sec-3050 firmware, charx sec-3100 firmware. Severity is high (CVSS 8.2). An unauthenticated remote attacker can use MQTT messages to trigger out-of-bounds writes in charging stations complying with German Calibration Law, resulting in a loss of integrity for only EichrechtAgents and potential denial-of-service f
How urgent is CVE-2025-24003?
Priority 42/100. High severity; Remotely exploitable, no login, no user action
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