{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-19291", "assignerOrgId": "030b2754-1501-44a4-bef8-48be86a33bf4", "state": "PUBLISHED", "assignerShortName": "Silabs", "dateReserved": "2026-08-07T16:20:57.991Z", "datePublished": "2026-08-13T14:16:28.037Z", "dateUpdated": "2026-08-13T14:16:28.037Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "030b2754-1501-44a4-bef8-48be86a33bf4", "shortName": "Silabs", "dateUpdated": "2026-08-13T14:16:28.037Z"}, "title": "Bluetooth re-pairing can use a lower security level than previous", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-290", "description": "CWE-290 Authentication bypass by spoofing", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-180", "descriptions": [{"lang": "en", "value": "CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels"}]}], "affected": [{"vendor": "silabs.com", "product": "WiseConnect", "packageName": "SiSDK", "versions": [{"status": "affected", "version": "4.0.0", "lessThan": "4.1.0", "versionType": "semver"}, {"status": "affected", "version": "2.0.0", "lessThan": "2.14.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "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.", "supportingMedia": [{"type": "text/html", "base64": false, "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."}]}], "references": [{"url": "https://docs.silabs.com/sisdk-release-notes/latest/sisdk-wifi-release-notes/sisdk-wifible-ble-release-notes", "tags": ["release-notes"]}, {"url": "https://docs.silabs.com/rs9116-wiseconnect/latest/wifibt-wc-release-notes/rs9116-ble-release-notes#bug-fixes", "tags": ["release-notes"]}, {"url": "https://community.silabs.com/068Vm00000x0yyH", "tags": ["vendor-advisory", "permissions-required"]}, {"url": "https://www.ndss-symposium.org/ndss-paper/blerp-ble-re-pairing-attacks-and-defenses/", "tags": ["related"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageName": "SiSDK", "product": "WiseConnect", "vendor": "silabs.com", "versions": [{"lessThan": "4.1.0", "status": "affected", "version": "4.0.0", "versionType": "semver"}, {"lessThan": "2.14.0", "status": "affected", "version": "2.0.0", "versionType": "semver"}]}], "source": "product-security@silabs.com"}], "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."}], "id": "CVE-2026-19291", "lastModified": "2026-08-13T15:19:37.603", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "product-security@silabs.com", "type": "Secondary"}]}, "published": "2026-08-13T15:19:37.603", "references": [{"source": "product-security@silabs.com", "url": "https://community.silabs.com/068Vm00000x0yyH"}, {"source": "product-security@silabs.com", "url": "https://docs.silabs.com/rs9116-wiseconnect/latest/wifibt-wc-release-notes/rs9116-ble-release-notes#bug-fixes"}, {"source": "product-security@silabs.com", "url": "https://docs.silabs.com/sisdk-release-notes/latest/sisdk-wifi-release-notes/sisdk-wifible-ble-release-notes"}, {"source": "product-security@silabs.com", "url": "https://www.ndss-symposium.org/ndss-paper/blerp-ble-re-pairing-attacks-and-defenses/"}], "sourceIdentifier": "product-security@silabs.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-290"}], "source": "product-security@silabs.com", "type": "Secondary"}]}

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{"created": "2026-08-13T15:45:03.815210+00:00", "updated": "2026-08-13T15:45:03.815225+00:00", "vendors": []}