SMP security request (from peripheral) does not include the maximum
encryption key size supported. Using a key with less than the maximum keysize
makes brute-forcing the key easier. See V6 in BLERP paper linked below.

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Fixes

Solution

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Workaround

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History

Thu, 13 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 13 Aug 2026 15:15:00 +0000

Type Values Removed Values Added
Description SMP security request (from peripheral) does not include the maximum encryption key size supported. Using a key with less than the maximum keysize makes brute-forcing the key easier. See V6 in BLERP paper linked below.
Title SMP security request
Weaknesses CWE-521
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Silabs

Published:

Updated: 2026-08-13T17:06:08.921Z

Reserved: 2026-08-07T16:21:06.928Z

Link: CVE-2026-19293

cve-icon Vulnrichment

Updated: 2026-08-13T17:05:18.319Z

cve-icon NVD

Status : Received

Published: 2026-08-13T15:19:37.873

Modified: 2026-08-13T18:17:24.230

Link: CVE-2026-19293

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-13T17:00:04Z

Weaknesses