CVE-2026-9394: A vulnerability was determined in Besen BS20 EV Charging Station up to 20260426. This impacts an unknown function of the component Bluetooth Low Energ...

Description

A vulnerability was determined in Besen BS20 EV Charging Station up to 20260426. This impacts an unknown function of the component Bluetooth Low Energy Handler. Executing a manipulation can lead to weak password requirements. The attack needs to be done within the local network. This attack is characterized by high complexity. The exploitability is said 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."

Metrics

CVSS 3.1

3.1/10

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS 4.0

1.3/10

CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.19%

9.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-521

References

Timeline

Published: May 24, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-9394?

A vulnerability was determined in Besen BS20 EV Charging Station up to 20260426. This impacts an unknown function of the component Bluetooth Low Energy Handler. Executing a manipulation can lead to weak password requirements. The attack needs to be done within the local network. This attack is characterized by high complexity. The exploitability is said 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."

How severe is CVE-2026-9394?

CVE-2026-9394 has a CVSS score of 1.3/10 (LOW severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2026-9394?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.