CVE-2026-9395
Besen BS20 EV Charging Station BLE/UDP insufficiently protected credentials
- State
- Published
- Severity
- 5.1 Medium
- Published
- May 24, 2026
- Updated
- May 26, 2026
- Reserved
- May 24, 2026
Description
A vulnerability was identified in Besen BS20 EV Charging Station up to 20260426. Affected is an unknown function of the component BLE/UDP. The manipulation leads to insufficiently protected credentials. The attack needs to be initiated within the local network. 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."
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.1 Medium | CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 3.5 Low | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R | VulDB |
| 3.0 | 3.5 Low | CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R | VulDB |
| 2.0 | 2.7 Low | AV:A/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-522 Insufficiently Protected Credentials
Affected Products
| Product | Versions |
|---|---|
BS20 EV Charging StationBesen |
|
References
- VDB-365376 | Besen BS20 EV Charging Station BLE/UDP insufficiently protected credentialsvdb-entry
- VDB-365376 | CTI Indicators (IOB, IOC, TTP)signaturepermissions-required
- Submit #813572 | Besen EV Charging Station BS20 EV Charger Insufficiently Protected Credentialsthird-party-advisory
- https://github.com/carfeii/besen#finding-2-cleartext-credential-exposure-via-ble-and-udp-in-besen-home-ev-charging-stationrelated
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