What’s Vulnerable › Vulnerabilities

CVE-2026-9396: Besen BS20 EV Charging Station Firmware Version Check ui layer

• Severity: low (CVSS 3.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-24 · updated 2026-07-23
• Weakness: CWE-1021

Description

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."

Affected products

• Besen BS20 EV Charging Station: 20260426

References

• 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

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