CVE-2026-9394
LowCVSS 3.1Exploitation Probability (EPSS)
Low risk9th percentile - higher than 9% of all known CVEs
Summary
In Besen BS20 EV Charging Station up to version 20260426, the Bluetooth Low Energy Handler component has a vulnerability that leads to weak password requirements. The attack requires local network access and is considered difficult to exploit.
Risk Assessment
The risk is that weak passwords may be set, facilitating unauthorized access to the charging station and potentially affecting network security.
Recommendation
Contact the vendor for a firmware update that strengthens password requirements.
Other vulnerabilities in Besen BS20 EV Charging Station
See all- CVE-2026-9398Low
A security vulnerability has been detected in Besen BS20 EV Charging Station up to version 20260426 in the BLE/WiFi component. Manipulation leads to authentication bypass via capture-replay attack. The attack requires local network access and is highly complex.
- CVE-2026-9397High
A weakness has been identified in Besen BS20 EV Charging Station up to 20260426 in the OTA Update Installation Handler component. Manipulation leads to improper authorization. The attack can be carried out remotely but requires high complexity.
- CVE-2026-9396Low
A security flaw has been discovered in Besen BS20 EV Charging Station up to version 20260426 in the firmware version check functionality. Manipulation results in improper restriction of rendered UI layers. The attack is remote but requires high complexity.
- CVE-2026-9395Low
In Besen BS20 EV Charging Station up to version 20260426, an unknown function of the BLE/UDP component leads to insufficiently protected credentials. The attack requires local network access.
Original NVD description (English source)
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."
Vulnerability data from NVD (NIST) · CISA KEV · EPSS