A vulnerability was found in Besen BS20 EV Charging Station up to 20260426 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Firmware Version Check. The manipulation results in improper restriction of rendered ui layers.

This vulnerability is identified as CVE-2026-9396. The attack can be executed remotely. Additionally, an exploit exists.

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.”