What is CVE-2026-9394?

CVE-2026-9394 is a low-severity vulnerability in Besen Bs20 Ev Charging Station, classified under Weak Password Requirements. CVSS score: 3.1/10. Published 2026-05-24.

How severe is CVE-2026-9394?

Low severity. CVSS v3 base score is 3.1 out of 10.

Vulnerability in Besen Bs20 Ev Charging Station

CVE-2026-9394

A vulnerability was determined in Besen BS20 EV Charging Station up to 20260426. This impacts an unknown function of the component Bluetooth Low Energy Handler. Executing a manipulation can lead to weak password requirements. The attack needs to be done within the local network. This attack is characterized by high complexity. The exploitability is said to be difficult. The original disclosure mentions, that "[t]hese vulnerabilities have been reported to Besen and we have received their acknowlegement that they are reviewing this as of April 2026."

Published 2026-05-24 · last modified 2026-07-23.

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:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (18.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Besen Bs20 Ev Charging Station — versions 20260426

Weakness classification (CWE)

CWE-521 — Weak Password Requirements

References

vuldb.com/vuln/365375 (vdb-entry)
vuldb.com/vuln/365375/cti (signature, permissions-required)
vuldb.com/submit/813569 (third-party-advisory)
github.com/carfeii/besen (related)

Frequently asked questions

What is CVE-2026-9394?: CVE-2026-9394 is a low-severity vulnerability in Besen Bs20 Ev Charging Station, classified under Weak Password Requirements. CVSS score: 3.1/10. Published 2026-05-24.
How severe is CVE-2026-9394?: Low severity. CVSS v3 base score is 3.1 out of 10.