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CVE-2019-3986

Status: ModifiedHigh (8.8)—

Blink XT2 Sync Module firmware prior to 2.13.11 allows remote attackers to execute arbitrary commands on the device due to improperly sanitized input when configuring the devices wifi configuration via the encryption parameter.

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).

Affected technologies (1)

Amazon — Blink XT2 Sync Module Firmware

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2019-3986",
  "cveTags": [],
  "metrics": {
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "baseScore": 8.3,
          "accessVector": "ADJACENT_NETWORK",
          "vectorString": "AV:A/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
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        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.5,
        "obtainUserPrivilege": false,
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          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
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      }
    ]
  },
  "affected": [
    {
      "source": "vulnreport@tenable.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Amazon's Blink XT2 Sync Module",
          "versions": [
            {
              "status": "affected",
              "version": "All firmware versions prior to version 2.13.11"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-12-11T23:15:11.320",
  "references": [
    {
      "url": "https://www.tenable.com/security/research/tra-2019-51",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "vulnreport@tenable.com"
    },
    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Blink XT2 Sync Module firmware prior to 2.13.11 allows remote attackers to execute arbitrary commands on the device due to improperly sanitized input when configuring the devices wifi configuration via the encryption parameter."
    },
    {
      "lang": "es",
      "value": "El firmware de Blink XT2 Sync Module versiones anteriores a 2.13.11, permite a atacantes remotos ejecutar comandos arbitrarios en el dispositivo debido a una entrada saneada inapropiadamente cuando se establece la configuración wifi del dispositivo por medio del parámetro encryption."
    }
  ],
  "lastModified": "2026-06-17T02:36:00.033",
  "configurations": [
    {
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        },
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      "operator": "AND"
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  ],
  "sourceIdentifier": "vulnreport@tenable.com"
}