Auth bypass in Besen Bs20 Ev Charging Station

CVE-2026-9398

A security vulnerability has been detected in Besen BS20 EV Charging Station up to 20260426. This affects an unknown part of the component BLE/WiFi. Such manipulation leads to authentication bypass by capture-replay. The attack must be car…

Vulnerability class: Broken Authentication

EPSS: 0.000 (13.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-9398?
CVE-2026-9398 is a low-severity vulnerability in Besen Bs20 Ev Charging Station, classified under Improper Authentication. CVSS score: 3.1/10. Published 2026-05-24.
How severe is CVE-2026-9398?
Low severity. CVSS v3 base score is 3.1 out of 10.