How severe is CVE-2025-24003?

CVE-2025-24003 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.

Is CVE-2025-24003 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-24003?

CVE-2025-24003 primarily affects Phoenixcontact Charx Sec-3000 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-24003?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-24003 have an EU (EUVD) identifier?

Yes. CVE-2025-24003 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20408.

When was CVE-2025-24003 published?

CVE-2025-24003 was published on 2025-07-08 and last updated on 2026-06-17.

CVE-2025-24003

CVE-2025-24003 is a high-severity vulnerability in Phoenixcontact Charx Sec-3000 Firmware with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-20408
Weakness: CWE-120
Affected product: Phoenixcontact Charx Sec-3000 Firmware
Published: 2025-07-08
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-24003?: 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.
How severe is CVE-2025-24003?: CVE-2025-24003 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.
Is CVE-2025-24003 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-24003?: CVE-2025-24003 primarily affects Phoenixcontact Charx Sec-3000 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-24003?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-24003 have an EU (EUVD) identifier?: Yes. CVE-2025-24003 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20408.
When was CVE-2025-24003 published?: CVE-2025-24003 was published on 2025-07-08 and last updated on 2026-06-17.

References

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

Affected products (4)

cpe:2.3:o:phoenixcontact:charx_sec-3000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:charx_sec-3050_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:charx_sec-3100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:charx_sec-3150_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Phoenixcontact Charx Sec-3000 Firmware

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CVE-2025-25268 — High (CVSS 8.8): An unauthenticated adjacent attacker can modify configuration by sending specific requests to an API-endpoint resulting…
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