CVE-2026-9396

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."

CVSS v3 3.7 LOW
CVSS v2.0 2.6 LOW

3.7^/10

CVSS v3 : LOW

Vector :

Exploitability : 2.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

2.6^/10

CVSS v2.0 : LOW

Vector : AV:N/AC:H/Au:N/C:N/I:P/A:N

Exploitability : 4.9 / Impact : 2.9

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

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

Configurations

No configuration.

History

24 May 2026, 21:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-24 21:16

Updated : 2026-05-26 19:57

NVD link : CVE-2026-9396

Mitre link : CVE-2026-9396

CVE.ORG link : CVE-2026-9396

JSON object : View

Products Affected

No product.

CWE

CWE-1021

Improper Restriction of Rendered UI Layers or Frames

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