Findings

CVE-2026-9398

A security vulnerability has been detected in Besen BS20 EV Charging Station up to 20260426.

Published May 24, 2026 · updated Jul 23, 2026

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."

Code

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Timeline

Detection, updates, and resolution for this record.

  1. May 24, 2026 · NIST NVD

    Detected

    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

  2. Jul 23, 2026 · NIST NVD

    Updated

    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

Sources

  • CVE.orgVulnerability recordCVE-2026-9398

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-9398

    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. A

    nvd.nist.gov

References