Auth bypass in Echarge Hardy Barth Cph2 / Cpp2 Charging Stations

CVE-2025-27803

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.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (35.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-27803: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-27803?
CVE-2025-27803 is a medium-severity vulnerability in Echarge Hardy Barth Cph2 / Cpp2 Charging Stations, classified under Missing Authentication for Critical Function. CVSS score: 6.5/10. Published 2025-05-21.
How severe is CVE-2025-27803?
Medium severity. CVSS v3 base score is 6.5 out of 10.