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CVE-2026-9395— Besen BS20 EV Charging Station BLE/UDP insufficiently protected credentials

Quick assessment

Affected
Besen BS20 EV Charging Station
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Besen BS20 EV Charging Station是中国Besen公司的一款交流电动汽车壁挂式充电桩。 Besen BS20 EV Charging Station 20260426及之前版本存在安全漏洞，该漏洞源于BLE/UDP组件中未知功能操作不当，可能导致凭据保护不足。

CVSS 3.5 · Low EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1552.005 · Cloud Instance Metadata API

Affected Version Matrix 1

VendorProduct Version RangeStatus
Besen BS20 EV Charging Station 20260426 affected
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I. Basic Information for CVE-2026-9395

Vulnerability Information
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Vulnerability Title
Besen BS20 EV Charging Station BLE/UDP insufficiently protected credentials
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in Besen BS20 EV Charging Station up to 20260426. Affected is an unknown function of the component BLE/UDP. The manipulation leads to insufficiently protected credentials. The attack needs to be initiated within the local network. 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."
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的凭证保护机制
Source: CVE Program / CVE List V5
Vulnerability Title
Besen BS20 EV Charging Station 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Besen BS20 EV Charging Station是中国Besen公司的一款交流电动汽车壁挂式充电桩。 Besen BS20 EV Charging Station 20260426及之前版本存在安全漏洞，该漏洞源于BLE/UDP组件中未知功能操作不当，可能导致凭据保护不足。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Besen BS20 EV Charging Station 20260426 cpe:2.3:a:besen:bs20_ev_charging_station:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-9395

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III. Intelligence Information for CVE-2026-9395

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Proof of Concept for CVE-2026-9395 (1)

Same Patch Batch · Besen · 2026-05-24 · 5 CVEs total

CVE-2026-9397 8.1 HIGH Besen BS20 EV Charging Station OTA Update Installation improper authorization
CVE-2026-9396 3.7 LOW Besen BS20 EV Charging Station Firmware Version Check ui layer
CVE-2026-9394 3.1 LOW Besen BS20 EV Charging Station Bluetooth Low Energy weak password
CVE-2026-9398 3.1 LOW Besen BS20 EV Charging Station BLE/WiFi authentication replay

IV. Related Vulnerabilities

Same product: BS20 EV Charging Station
Same vendor: Besen
Same weakness: CWE-522

V. Comments for CVE-2026-9395

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