CVE-2025-3881: cph2 echarge Command Injection (CVSS 8.8)

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.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-78 OS Command Injection

Affected Products

Vendor	Product	Versions
hardy-barth	cph2_echarge_firmware	All
hardy-barth	cph2_echarge	All

References

Other References

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

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. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-3881? +

CVE-2025-3881 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-3881? +

CVE-2025-3881 affects products from hardy-barth, specifically: cph2_echarge, cph2_echarge_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-3881? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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