CVE-2026-9396

LOW 3.7

Besen BS20 EV Charging Station Firmware Version Check ui layer

CVSS Score

3.7

EPSS Score

0.0%

EPSS Percentile

8th

A security flaw has been discovered in Besen BS20 EV Charging Station up to 20260426. Affected by this vulnerability is an unknown functionality of the component Firmware Version Check. The manipulation results in improper restriction of rendered ui layers. The attack can be executed remotely. A high complexity level is associated with this attack. The exploitation appears to be 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."

CWE	CWE-1021
Vendor	besen
Product	bs20 ev charging station
Published	May 24, 2026
Last Updated	May 26, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Besen / BS20 EV Charging Station

20260426

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/365377 vuldb.com: https://vuldb.com/vuln/365377/cti vuldb.com: https://vuldb.com/submit/813575 github.com: https://github.com/carfeii/besen#finding-3-firmware-version-check-manipulation-and-ui-spoofing

Credits

🔍 carfeii (VulDB User) VulDB CNA Team