CVE-2025-27803 Missing Authentication in eCharge Hardy Barth cPH2 / cPP2 charging stations

Medium 6.5 Published Updated

Attackers with network access can gain administrative control and access sensitive data on eCharge Hardy Barth charging stations due to missing authentication.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-27803?

CVE-2025-27803 is a medium-severity missing authorization vulnerability in eCharge Hardy Barth cPH2 / cPP2 charging stations, published on 21 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The devices do not implement any authentication for the web interface or the MQTT server. An attacker who has network access to the device immediately gets administrative access to the devices and can perform arbitrary administrative actions and reconfigure the devices or potentially gain access to sensitive data.

Weakness: CWE-306

Which versions are affected by CVE-2025-27803?

How do I fix CVE-2025-27803?

No fix has been published for CVE-2025-27803 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-27803 being exploited?

There is no known exploitation of CVE-2025-27803 in the wild and no public exploit code.

Sources

Also known as GHSA-v5fv-w3r3-cxrv.

Is CVE-2025-27803 in your software?

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