CVE-2026-9394

LOW

Besen BS20 EV Charging Station Bluetooth Low Energy weak password

Title source: cna
STIX 2.1

Description

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."

References (4)

Core 4
Core References
Vdb Entry vdb-entry
VDB-365375 | Besen BS20 EV Charging Station Bluetooth Low Energy weak password
https://vuldb.com/vuln/365375
Signature, Permissions Required signature permissions-required
VDB-365375 | CTI Indicators (IOB, IOC, TTP)
https://vuldb.com/vuln/365375/cti
Third Party Advisory third-party-advisory
Submit #813569 | Besen EV Charging Station BS20 EV Charger Weak Authentication
https://vuldb.com/submit/813569

Scores

CVSS v3 3.1
EPSS 0.0022
EPSS Percentile 13.0%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-521
Status published
Products (1)
Besen/BS20 EV Charging Station 20260426
Published May 24, 2026
Tracked Since May 25, 2026