CVE-2026-9396
LOWBesen BS20 EV Charging Station Firmware Version Check ui layer
Title source: cnaDescription
A security flaw has been discovered in Besen BS20 EV Charging Station up to 20260426. Affected by this vulnerability is an unknown functionality of the component Firmware Version Check. The manipulation results in improper restriction of rendered ui layers. The attack can be executed remotely. A high complexity level is associated with this attack. The exploitation appears 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."
References (4)
Core 4
Core References
Vdb Entry vdb-entry
VDB-365377 | Besen BS20 EV Charging Station Firmware Version Check ui layer
https://vuldb.com/vuln/365377
Signature, Permissions Required signature
permissions-required
VDB-365377 | CTI Indicators (IOB, IOC)
https://vuldb.com/vuln/365377/cti
Third Party Advisory third-party-advisory
Submit #813575 | Besen EV Charging Station BS20 EV Charger Improper Verification of Cryptographic Signature
https://vuldb.com/submit/813575
Scores
CVSS v3
3.7
EPSS
0.0032
EPSS Percentile
23.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-1021
Status
published
Products (1)
Besen/BS20 EV Charging Station
20260426
Published
May 24, 2026
Tracked Since
May 25, 2026