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CVE-2026-19291

Full vulnerability record from the local CVENow database.

Description

Bluetooth re-pairing with an existing device can use a lower security level. RS9116W and SiWx91x impacted. See V3 in the BLERP paper linked below.

Severity
HIGH
CVSS score
8.8 (v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-08-13 15:19:37.603000
Last modified
2026-10-23 18:10:00.167000
View original CVE JSON
{
  "id": "CVE-2026-19291",
  "sourceIdentifier": "[email protected]",
  "published": "2026-08-13T15:19:37.603",
  "lastModified": "2026-10-23T18:10:00.167",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Bluetooth re-pairing with an existing device can use a lower security level. RS9116W and SiWx91x impacted. See V3 in the BLERP paper linked below."
    },
    {
      "lang": "es",
      "value": "El re-emparejamiento Bluetooth con un dispositivo existente puede usar un nivel de seguridad inferior. RS9116W y SiWx91x afectados. Ver V3 en el documento BLERP enlazado a continuación."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "silabs.com",
          "product": "WiseConnect",
          "defaultStatus": "unaffected",
          "packageName": "SiSDK",
          "versions": [
            {
              "version": "4.0.0",
              "lessThan": "4.1.0",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "2.0.0",
              "lessThan": "2.14.0",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "attackVector": "ADJACENT_NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-13T17:01:41.174827Z",
          "id": "CVE-2026-19291",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-290"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://community.silabs.com/068Vm00000x0yyH",
      "source": "[email protected]"
    },
    {
      "url": "https://docs.silabs.com/rs9116-wiseconnect/latest/wifibt-wc-release-notes/rs9116-ble-release-notes#bug-fixes",
      "source": "[email protected]"
    },
    {
      "url": "https://docs.silabs.com/sisdk-release-notes/latest/sisdk-wifi-release-notes/sisdk-wifible-ble-release-notes",
      "source": "[email protected]"
    },
    {
      "url": "https://www.ndss-symposium.org/ndss-paper/blerp-ble-re-pairing-attacks-and-defenses/",
      "source": "[email protected]"
    }
  ]
}