CVE-2026-9398

Besen BS20 EV Charging Station BLE/WiFi authentication replay

LOW
3.1
CVSS Score
Published: May 24, 2026 at 08:45 PM UTC
Updated: July 23, 2026 at 07:32 PM UTC
1 product affected across 1 vendorBS20 EV Charging Station

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Severity
LOW3.1
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

A security vulnerability has been detected in Besen BS20 EV Charging Station up to 20260426. This affects an unknown part of the component BLE/WiFi. Such manipulation leads to authentication bypass by capture-replay. The attack must be carried out from within the local network. Attacks of this nature are highly complex. It is indicated that the exploitability is 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."

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

VDB Entry
Source: cverecord
https://vuldb.com/vuln/365379
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/365379/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/813577

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.1LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-294CWE-287

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