Besen BS20 EV Charging Station BLE/UDP insufficiently protected credentials
Summary
| CVE | CVE-2026-9395 |
|---|---|
| State | PUBLISHED |
| Assigner | VulDB |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-24 20:16:44 UTC |
| Updated | 2026-05-26 19:57:25 UTC |
| 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." |
Risk And Classification
Primary CVSS: v4.0 2 LOW from [email protected]
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/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: 0.000150000 probability, percentile 0.030500000 (date 2026-05-29)
Problem Types: CWE-522 | CWE-522 Insufficiently Protected Credentials
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 2 | LOW | 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/C... |
| 4.0 | CNA | DECLARED | 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 |
| 3.1 | [email protected] | Primary | 3.5 | LOW | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| 3.1 | CNA | DECLARED | 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 |
| 3.0 | CNA | DECLARED | 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 |
| 2.0 | [email protected] | Secondary | 2.7 | AV:A/AC:L/Au:S/C:P/I:N/A:N | |
| 2.0 | CNA | DECLARED | 2.7 | AV:A/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR |
CVSS v4.0 Breakdown
Attack Vector
AdjacentAttack Complexity
LowAttack Requirements
NonePrivileges Required
LowUser Interaction
NoneConfidentiality
LowIntegrity
NoneAvailability
NoneSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS: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/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
CVSS v3.1 Breakdown
Attack Vector
AdjacentAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
NoneAvailability
NoneCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v3.0 Breakdown
Attack Vector
AdjacentAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
NoneAvailability
NoneCVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Besen | BS20 EV Charging Station | affected 20260426 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| vuldb.com/submit/813572 | [email protected] | vuldb.com | |
| vuldb.com/vuln/365376 | [email protected] | vuldb.com | |
| github.com/carfeii/besen | [email protected] | github.com | |
| vuldb.com/vuln/365376/cti | [email protected] | vuldb.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: carfeii (VulDB User) (en)
CNA: VulDB CNA Team (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-05-24T00:00:00.000Z | Advisory disclosed |
| CNA | 2026-05-24T02:00:00.000Z | VulDB entry created |
| CNA | 2026-05-24T08:24:12.000Z | VulDB entry last update |
There are currently no legacy QID mappings associated with this CVE.