CVE-2026-9394

LOW 3.1

Besen BS20 EV Charging Station Bluetooth Low Energy weak password

CVSS Score

3.1

EPSS Score

0.0%

EPSS Percentile

2th

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."

CWE	CWE-521
Vendor	besen
Product	bs20 ev charging station
Published	May 24, 2026
Last Updated	May 27, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Besen / BS20 EV Charging Station

20260426

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/365375 vuldb.com: https://vuldb.com/vuln/365375/cti vuldb.com: https://vuldb.com/submit/813569 github.com: https://github.com/carfeii/besen#finding-1-weak-authentication-mechanism-in-besen-home-ev-charging-station-via-ble

Credits

🔍 carfeii (VulDB User) VulDB CNA Team