How to fix CVE-2025-3881?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Validate that input sanitization is in place for all user-controlled parameters.

Is Command Injection affected by CVE-2025-3881?

CVE-2025-3881 presents significant security risk, a OS command injection vulnerability rated CVSS 8.8. Successful exploitation could allow attackers to execute arbitrary code or commands on affected systems, potentially leading to full system compromise.

CVE-2025-3881

HIGH

2025-05-22 [email protected]

8.8

CVSS 3.0

CVSS Vector

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:43 vuln.today

CVE Published

May 22, 2025 - 01:15 nvd

HIGH 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.

Analysis

eCharge Hardy Barth cPH2 check_req.php ntp Command Injection Remote Code Execution Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. 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. Affected products include: Hardy-Barth Cph2 Echarge Firmware.

Affected Products

Hardy-Barth Cph2 Echarge Firmware.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.2

CVSS: +44

POC: 0

CVE-2025-3881 vulnerability details – vuln.today

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CVE-2025-3881

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CVE-2025-3881

CVSS Vector

Lifecycle Timeline

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Description

Analysis

Technical Context

Affected Products

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