{
  "id": "CVE-2021-35954",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2022-12-26T06:15:10.507",
  "lastModified": "2023-01-11T03:27:57.507",
  "vulnStatus": "Analyzed",
  "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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          "attackVector": "ADJACENT_NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH"
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        "exploitabilityScore": 2.8,
        "impactScore": 5.2
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      "url": "https://payatu.com/advisory/dumping-and-re-flashing-firmware-fastrack-reflex",
      "source": "cve@mitre.org",
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}