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Vulnerability Details :

CVE-2026-9395

Summary
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
Published At-24 May, 2026 | 20:00
Updated At-26 May, 2026 | 13:20
Rejected At-
Credits

Besen BS20 EV Charging Station BLE/UDP insufficiently protected credentials

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."

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:VulDB
Assigner Org ID:1af790b2-7ee1-4545-860a-a788eba489b5
Published At:24 May, 2026 | 20:00
Updated At:26 May, 2026 | 13:20
Rejected At:
▼CVE Numbering Authority (CNA)
Besen BS20 EV Charging Station BLE/UDP insufficiently protected credentials

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."

Affected Products
Vendor
Besen
Product
BS20 EV Charging Station
CPEs
  • cpe:2.3:a:besen:bs20_ev_charging_station:*:*:*:*:*:*:*:*
Modules
  • BLE/UDP
Versions
Affected
  • 20260426
Problem Types
TypeCWE IDDescription
CWECWE-522Insufficiently Protected Credentials
Type: CWE
CWE ID: CWE-522
Description: Insufficiently Protected Credentials
Metrics
VersionBase scoreBase severityVector
4.05.1MEDIUM
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
3.13.5LOW
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
3.03.5LOW
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
2.02.7N/A
AV:A/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 5.1
Base severity: MEDIUM
Vector:
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
Version: 3.1
Base score: 3.5
Base severity: LOW
Vector:
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
Version: 3.0
Base score: 3.5
Base severity: LOW
Vector:
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
Version: 2.0
Base score: 2.7
Base severity: N/A
Vector:
AV:A/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
carfeii (VulDB User)
coordinator
VulDB CNA Team
Timeline
EventDate
Advisory disclosed2026-05-24 00:00:00
VulDB entry created2026-05-24 02:00:00
VulDB entry last update2026-05-24 08:24:12
Event: Advisory disclosed
Date: 2026-05-24 00:00:00
Event: VulDB entry created
Date: 2026-05-24 02:00:00
Event: VulDB entry last update
Date: 2026-05-24 08:24:12
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/vuln/365376
vdb-entry
https://vuldb.com/vuln/365376/cti
signature
permissions-required
https://vuldb.com/submit/813572
third-party-advisory
https://github.com/carfeii/besen#finding-2-cleartext-credential-exposure-via-ble-and-udp-in-besen-home-ev-charging-station
related
Hyperlink: https://vuldb.com/vuln/365376
Resource:
vdb-entry
Hyperlink: https://vuldb.com/vuln/365376/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/submit/813572
Resource:
third-party-advisory
Hyperlink: https://github.com/carfeii/besen#finding-2-cleartext-credential-exposure-via-ble-and-udp-in-besen-home-ev-charging-station
Resource:
related
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cna@vuldb.com
Published At:24 May, 2026 | 20:16
Updated At:24 May, 2026 | 20:16

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."

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.02.0LOW
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
Primary3.13.5LOW
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Secondary2.02.7LOW
AV:A/AC:L/Au:S/C:P/I:N/A:N
Type: Secondary
Version: 4.0
Base score: 2.0
Base severity: LOW
Vector:
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
Type: Primary
Version: 3.1
Base score: 3.5
Base severity: LOW
Vector:
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Type: Secondary
Version: 2.0
Base score: 2.7
Base severity: LOW
Vector:
AV:A/AC:L/Au:S/C:P/I:N/A:N
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-522Primarycna@vuldb.com
CWE ID: CWE-522
Type: Primary
Source: cna@vuldb.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/carfeii/besen#finding-2-cleartext-credential-exposure-via-ble-and-udp-in-besen-home-ev-charging-stationcna@vuldb.com
N/A
https://vuldb.com/submit/813572cna@vuldb.com
N/A
https://vuldb.com/vuln/365376cna@vuldb.com
N/A
https://vuldb.com/vuln/365376/cticna@vuldb.com
N/A
Hyperlink: https://github.com/carfeii/besen#finding-2-cleartext-credential-exposure-via-ble-and-udp-in-besen-home-ev-charging-station
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/submit/813572
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/vuln/365376
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/vuln/365376/cti
Source: cna@vuldb.com
Resource: N/A

Change History

0
Information is not available yet

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