CVE-2025-3881 eCharge Hardy Barth cPH2 check_req.php ntp Command Injection Remote Code Execution Vulnerability

High 8.8 Published 22 May 2025 Updated 22 May 2025

Network-adjacent attackers can execute arbitrary code on eCharge Hardy Barth cPH2 charging stations via command injection in the ntp parameter.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-3881?

CVE-2025-3881 is a high-severity command injection vulnerability in eCharge Hardy Barth cPH2, published on 22 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-78

Which versions are affected by CVE-2025-3881?

It affects 1 product.

Products include Hardy-Barth Cph2 Echarge Firmware.

How do I fix CVE-2025-3881?

No fix has been published for CVE-2025-3881 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2025-3881 being exploited?

There is no known exploitation of CVE-2025-3881 in the wild and no public exploit code.

Sources

Also known as GHSA-56c3-5jh4-v4v3.