How severe is CVE-2025-3881?

CVE-2025-3881 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-3881 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3881?

CVE-2025-3881 affects Hardy-barth Cph2 Echarge Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3881?

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-2025-3881 have an EU (EUVD) identifier?

Yes. CVE-2025-3881 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16097.

When was CVE-2025-3881 published?

CVE-2025-3881 was published on 2025-05-22 and last updated on 2026-06-17.

CVE-2025-3881

CVE-2025-3881 is a high-severity vulnerability in Hardy-barth Cph2 Echarge Firmware with a CVSS 3.x base score of 8.8. 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-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-16097
Weakness: CWE-78
Affected product: Hardy-barth Cph2 Echarge Firmware
Published: 2025-05-22
Last modified: 2026-06-17

Description

eCharge Hardy Barth cPH2 check_req.php ntp Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of eCharge Hardy Barth cPH2 charging stations. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the ntp parameter provided to the check_req.php endpoint. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the www-data user. Was ZDI-CAN-23113.

Frequently asked questions

What is CVE-2025-3881?: eCharge Hardy Barth cPH2 check_req.php ntp Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of eCharge Hardy Barth cPH2 charging stations. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the ntp parameter provided to the check_req.php endpoint. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the www-data user. Was ZDI-CAN-23113.
How severe is CVE-2025-3881?: CVE-2025-3881 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-3881 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3881?: CVE-2025-3881 affects Hardy-barth Cph2 Echarge Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3881?: 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-2025-3881 have an EU (EUVD) identifier?: Yes. CVE-2025-3881 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16097.
When was CVE-2025-3881 published?: CVE-2025-3881 was published on 2025-05-22 and last updated on 2026-06-17.

References

https://www.zerodayinitiative.com/advisories/ZDI-25-247/

Affected products (1)

cpe:2.3:o:hardy-barth:cph2_echarge_firmware:2.0.4:*:*:*:*:*:*:*

More vulnerabilities in Hardy-barth Cph2 Echarge Firmware

CVE-2023-46359 — Critical (CVSS 9.8): An OS command injection vulnerability in Hardy Barth cPH2 eCharge Ladestation v1.87.0 and earlier, may allow an…
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