CVE-2026-9396: medium-severity vulnerability in Besen BS20 EV Charging Station
Besen BS20 EV Charging Station Firmware Version Check ui layer
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.3epss 0.3%
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:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
Affected products
Besen · BS20 EV Charging StationRelated CVEs — Besen BS20 EV Charging Station
In the same product, most dangerous first.
CVE-2026-9397CRITICALBesen BS20 EV Charging Station OTA Update Installation improper authorizationEPSS 0.5%CVE-2026-9398LOWBesen BS20 EV Charging Station BLE/WiFi authentication replayEPSS 0.3%CVE-2026-9394LOWBesen BS20 EV Charging Station Bluetooth Low Energy weak passwordEPSS 0.2%CVE-2026-9395MEDIUMBesen BS20 EV Charging Station BLE/UDP insufficiently protected credentialsEPSS 0.2%