{"id":"CVE-2026-19293","aliases":["EUVD-2026-58076","GHSA-vm4r-7vjx-6f97"],"status":"published","title":"SMP security request","description":"SMP security request (from peripheral) does not include the maximum\nencryption key size supported. Using a key with less than the maximum keysize\nmakes brute-forcing the key easier. See V6 in BLERP paper linked below.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.002,"percentile":0.09899,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-521"],"published":"2026-08-13T14:18:05Z","modified":"2026-10-23T18:10:00Z","products":[{"vendor":"silabs.com","product":"wiseconnect"}],"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"},{"url":"https://www.ndss-symposium.org/ndss-paper/blerp-ble-re-pairing-attacks-and-defenses/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19293"},{"url":"https://www.ndss-symposium.org/ndss-paper/blerp-ble-re-pairing-attacks-and-defenses"},{"url":"https://github.com/advisories/GHSA-vm4r-7vjx-6f97"}],"sources":{"cve":[{"id":"CVE-2026-19293","title":"SMP security request","description":"SMP security request (from peripheral) does not include the maximum\nencryption key size supported. Using a key with less than the maximum keysize\nmakes brute-forcing the key easier. See V6 in BLERP paper linked below.","status":"published","published":"2026-08-13T14:18:05.429Z","modified":"2026-08-13T17:06:08.921Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-521"],"updated_at":"2026-11-02T13:47:17.512524Z"}],"euvd":[{"id":"EUVD-2026-58076","description":"SMP security request (from peripheral) does not include the maximum\nencryption key size supported. Using a key with less than the maximum keysize\nmakes brute-forcing the key easier. See V6 in BLERP paper linked below.","status":"published","published":"2026-08-13T14:18:05Z","modified":"2026-08-13T17:06:08Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:55.61982Z"}],"ghsa":[{"id":"GHSA-vm4r-7vjx-6f97","title":"SMP security request (from peripheral) does not include the maximum\nencryption key size supported...","description":"SMP security request (from peripheral) does not include the maximum\nencryption key size supported. Using a key with less than the maximum keysize\nmakes brute-forcing the key easier. See V6 in BLERP paper linked below.","status":"published","published":"2026-08-13T15:34:42Z","modified":"2026-08-13T15:34:46Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-521"],"updated_at":"2026-11-02T15:10:25.227735Z"}],"nvd":[{"id":"CVE-2026-19293","description":"SMP security request (from peripheral) does not include the maximum\nencryption key size supported. Using a key with less than the maximum keysize\nmakes brute-forcing the key easier. See V6 in BLERP paper linked below.","status":"published","published":"2026-08-13T15:19:37.873Z","modified":"2026-10-23T18:10:00.167Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-521"],"updated_at":"2026-11-02T14:12:37.217486Z"}]}}