Auth bypass in Besen Bs20 Ev Charging Station

CVE-2026-9397

A weakness has been identified in Besen BS20 EV Charging Station up to 20260426. Affected by this issue is some unknown functionality of the component OTA Update Installation Handler. This manipulation causes improper authorization. The at…

EPSS: 0.001 (16.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-9397?
CVE-2026-9397 is a high-severity vulnerability in Besen Bs20 Ev Charging Station, classified under Incorrect Privilege Assignment. CVSS score: 8.1/10. Published 2026-05-24.
How severe is CVE-2026-9397?
High severity. CVSS v3 base score is 8.1 out of 10.