Vulnerability 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."
CVSS Score
LOW
Related Weaknesses (CWE)
References
- https://github.com/carfeii/besen#finding-5-unauthorized-tampering-of-charger-com
- https://vuldb.com/submit/813577
- https://vuldb.com/vuln/365379
- https://vuldb.com/vuln/365379/cti
FAQ
What is CVE-2026-9398?
CVE-2026-9398 is a vulnerability with a CVSS score of 3.1 (LOW). 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...
How severe is CVE-2026-9398?
CVE-2026-9398 has been rated LOW with a CVSS base score of 3.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-9398?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.