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."

CVSS v3 3.1 LOW
CVSS v2.0 1.8 LOW

3.1^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.6 / Impact : 1.4

Attack Vector ADJACENT_NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

1.8^/10

CVSS v2.0 : LOW

Vector : AV:A/AC:H/Au:N/C:P/I:N/A:N

Exploitability : 3.2 / Impact : 2.9

Access Vector ADJACENT_NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

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

Configurations

No configuration.

History

24 May 2026, 20:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-24 20:16

Updated : 2026-05-26 19:57

NVD link : CVE-2026-9394

Mitre link : CVE-2026-9394

CVE.ORG link : CVE-2026-9394

JSON object : View

Products Affected

No product.

CWE

CWE-521

Weak Password Requirements

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