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CVE-2026-8374

Status: DeferredHigh (8.5)—

Misuse and misconfiguration in Bluetooth communication in SwitchBot Door Lock Series allows an attacker to bypass the electronic lock and access controls via a manipulated communication protocol.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

AV:L sin UI:R e impacto en VI:H/VA:H. La manipulación de protocolo Bluetooth para eludir candados electrónicos logra escalada de privilegios y acceso físico no autorizado.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Execution PreventionUpdate SoftwareUser TrainingUser Account ManagementThreat Intelligence ProgramRestrict Web-Based Content

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Switchbot — Door Lock SeriesAI

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-8374",
  "cveTags": [],
  "metrics": {
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-8374",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-15T17:57:54.302937Z"
        }
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "a341c0d1-ebf7-493f-a84e-38cf86618674",
        "cvssData": {
          "Safety": "PRESENT",
          "version": "4.0",
          "Recovery": "IRRECOVERABLE",
          "baseScore": 8.5,
          "Automatable": "NO",
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "valueDensity": "DIFFUSE",
          "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/E:X/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:P/AU:N/R:I/V:D/RE:H/U:Red",
          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "RED",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "subIntegrityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "HIGH",
          "vulnAvailabilityImpact": "HIGH",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "LOW",
          "vulnConfidentialityImpact": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "HIGH",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
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  },
  "affected": [
    {
      "source": "a341c0d1-ebf7-493f-a84e-38cf86618674",
      "affectedData": [
        {
          "vendor": "SwitchBot",
          "modules": [
            "Bluetooth communication"
          ],
          "product": "Lock Series Lock",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "3.4"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "SwitchBot",
          "modules": [
            "Bluetooth communication"
          ],
          "product": "Lock Series Keypad",
          "versions": [
            {
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              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "2.7"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "SwitchBot",
          "modules": [
            "Bluetooth communication"
          ],
          "product": "Lock Series App",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "9.2.6"
            }
          ],
          "platforms": [
            "Android"
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-10-09T13:17:11.240",
  "references": [
    {
      "url": "https://neodyme.io/en/advisories/cve-2026-8374/",
      "source": "a341c0d1-ebf7-493f-a84e-38cf86618674"
    },
    {
      "url": "https://neodyme.io/en/blog/switchbot/",
      "source": "a341c0d1-ebf7-493f-a84e-38cf86618674"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "a341c0d1-ebf7-493f-a84e-38cf86618674",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1204"
        },
        {
          "lang": "en",
          "value": "CWE-1240"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Misuse and misconfiguration in Bluetooth communication in SwitchBot Door Lock Series allows an attacker to bypass the electronic lock and access controls via a manipulated communication protocol."
    }
  ],
  "lastModified": "2026-10-15T19:17:48.117",
  "sourceIdentifier": "a341c0d1-ebf7-493f-a84e-38cf86618674"
}