CVE-2026-9394 LOW

CVE-2026-9394: Besen BS20 EV Charging Station Bluetooth Low Energy weak password

Vendor Besen
Product BS20 EV Charging Station
Weakness CWE-521
Published May 24, 2026
Last update May 27, 2026

CVSS base score

2.3/10
Attack vector Adjacent
Attack complexity High
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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."

Key dates

02Disclosure timeline

May 24, 2026 CVE published
May 27, 2026 Record updated