CVE-2026-9396 Besen BS20 EV Charging Station Firmware Version Check ui layer
Remote attackers can bypass UI layer restrictions in Besen BS20 EV charging stations, potentially exposing hidden interfaces or controls.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-9396?
CVE-2026-9396 is a medium-severity vulnerability in Besen BS20 EV Charging Station, published on 24 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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."
Weakness: CWE-1021
Which versions are affected by CVE-2026-9396?
How do I fix CVE-2026-9396?
No fix has been published for CVE-2026-9396 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-9396 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9396 exists.
Sources
Also known as GHSA-8j4m-2qxx-4mqg.