CVE-2026-9398

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."

References

https://vuldb.com/vuln/365379/cti

https://vuldb.com/vuln/365379

https://vuldb.com/submit/813577

https://github.com/carfeii/besen#finding-5-unauthorized-tampering-of-charger-commands

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4

EPSS