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CVE-2026-9398

A security vulnerability has been detected in Besen BS20 EV Charging Station up to 20260426. This affects an unknown part of the component BLE/WiFi. Such manipulation leads to authentication bypass by capture-replay. The attack must be carried out from within the local network. Attacks of this nature are highly complex. It is indicated that the exploitability is difficult. The original disclosure mentions, that "[t]hese vulnerabilities have been reported to Besen and we have received their ackno
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6933cd6d7f121ca4c136db05d6057ab55bdbbd60cc4c25f18d1c7c169ae1d753
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":2.3,"baseSeverity":"LOW","vectorString":"CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0436c4960bd881ca4def77a400a85577339d7a0533cbc4e8a0b8c76d520c12e9 · sha256:986cb5410f274df9… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":3.1,"baseSeverity":"LOW","vectorString":"CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0436c4960bd881ca4def77a400a85577339d7a0533cbc4e8a0b8c76d520c12e9 · sha256:986cb5410f274df9… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":3.1,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0436c4960bd881ca4def77a400a85577339d7a0533cbc4e8a0b8c76d520c12e9 · sha256:986cb5410f274df9… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":1.8,"vectorString":"AV:A/AC:H/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0436c4960bd881ca4def77a400a85577339d7a0533cbc4e8a0b8c76d520c12e9 · sha256:986cb5410f274df9… · /containers/cna/metrics/3/cvssV2_0
cwe · 2 assertions

{"cweId":"CWE-294","description":"Authentication Bypass by Capture-replay","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0436c4960bd881ca4def77a400a85577339d7a0533cbc4e8a0b8c76d520c12e9 · sha256:986cb5410f274df9… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-287","description":"Improper Authentication","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0436c4960bd881ca4def77a400a85577339d7a0533cbc4e8a0b8c76d520c12e9 · sha256:986cb5410f274df9… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:besen:bs20_ev_charging_station:*:*:*:*:*:*:*:*"],"modules":["BLE/WiFi"],"product":"BS20 EV Charging Station","vendor":"Besen","versions":[{"status":"affected","version":"20260426"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0436c4960bd881ca4def77a400a85577339d7a0533cbc4e8a0b8c76d520c12e9 · sha256:986cb5410f274df9… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":2.3,"baseSeverity":"LOW","vectorString":"CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0436c4960bd881ca4def77a400a85577339d7a0533cbc4e8a0b8c76d520c12e9 · sha256:986cb5410f274df9… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":3.1,"baseSeverity":"LOW","vectorString":"CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0436c4960bd881ca4def77a400a85577339d7a0533cbc4e8a0b8c76d520c12e9 · sha256:986cb5410f274df9… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":3.1,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0436c4960bd881ca4def77a400a85577339d7a0533cbc4e8a0b8c76d520c12e9 · sha256:986cb5410f274df9… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":1.8,"vectorString":"AV:A/AC:H/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0436c4960bd881ca4def77a400a85577339d7a0533cbc4e8a0b8c76d520c12e9 · sha256:986cb5410f274df9… · /containers/cna/metrics/3/cvssV2_0

CWE assertions

2 source assertions
{"cweId":"CWE-294","description":"Authentication Bypass by Capture-replay","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0436c4960bd881ca4def77a400a85577339d7a0533cbc4e8a0b8c76d520c12e9 · sha256:986cb5410f274df9… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-287","description":"Improper Authentication","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0436c4960bd881ca4def77a400a85577339d7a0533cbc4e8a0b8c76d520c12e9 · sha256:986cb5410f274df9… · /containers/cna/problemTypes/1/descriptions/0

Source references

4 source assertions
{"tags":["related"],"url":"https://github.com/carfeii/besen#finding-5-unauthorized-tampering-of-charger-commands"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0436c4960bd881ca4def77a400a85577339d7a0533cbc4e8a0b8c76d520c12e9 · sha256:986cb5410f274df9… · /containers/cna/references/3
{"name":"Submit #813577 | Besen EV Charging Station BS20 EV Charger Improper Authorization","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/813577"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0436c4960bd881ca4def77a400a85577339d7a0533cbc4e8a0b8c76d520c12e9 · sha256:986cb5410f274df9… · /containers/cna/references/2
{"name":"VDB-365379 | Besen BS20 EV Charging Station BLE/WiFi authentication replay","tags":["vdb-entry"],"url":"https://vuldb.com/vuln/365379"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0436c4960bd881ca4def77a400a85577339d7a0533cbc4e8a0b8c76d520c12e9 · sha256:986cb5410f274df9… · /containers/cna/references/0
{"name":"VDB-365379 | CTI Indicators (IOB, IOC, TTP)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/365379/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0436c4960bd881ca4def77a400a85577339d7a0533cbc4e8a0b8c76d520c12e9 · sha256:986cb5410f274df9… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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