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CVE-2021-35954

Estado: ModificadaAlta (8.1)—

fastrack Reflex 2.0 W307S_REFLEX_v90.89 Activity Tracker allows physically proximate attackers to dump the firmware, flash custom malicious firmware, and brick the device via the Serial Wire Debug (SWD) feature.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2021-35954",
  "cveTags": [],
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
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              "automatable": "no"
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          "timestamp": "2025-04-14T18:28:52.249487Z"
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  "published": "2022-12-26T06:15:10.507",
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  "vulnStatus": "Modified",
  "weaknesses": [
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "fastrack Reflex 2.0 W307S_REFLEX_v90.89 Activity Tracker allows physically proximate attackers to dump the firmware, flash custom malicious firmware, and brick the device via the Serial Wire Debug (SWD) feature."
    },
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      "value": "fastrack Reflex 2.0 W307S_REFLEX_v90.89 Activity Tracker permite a atacantes físicamente próximos volcar el firmware, flashear firmware malicioso personalizado y bloquear el dispositivo mediante la función Serial Wire Debug (SWD)."
    }
  ],
  "lastModified": "2026-06-17T03:57:59.960",
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