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Vulnerability record · CVE-2026-19292 · published 13 August 2026

CVE-2026-19292: Re-pairing with a legitimate device can use a lower security level than previous making brute-forcing the LTK …

Re-pairing with a legitimate device can use a lower security level than previous making brute-forcing the LTK easier. See V4 in the BLERP paper linked below.

8.8 CVSS 3.1 High EPSS 0.35% · top 73.8% CWE-305 · CWE-305 Awaiting Analysis
8.8CVSS 3.1 base score
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
8 Sep 2026Last modified by NVD

Description

Re-pairing with a legitimate device can use a lower security level than previous making brute-forcing the LTK easier. See V4 in the BLERP paper linked below.

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://community.silabs.com/068Vm00000x0yyH
https://docs.silabs.com/rs9116-wiseconnect/latest/wifibt-wc-release-notes/rs9116-ble-release-notes#bug-fixes
https://docs.silabs.com/sisdk-release-notes/latest/sisdk-wifi-release-notes/sisdk-wifible-ble-release-notes
https://www.ndss-symposium.org/ndss-paper/blerp-ble-re-pairing-attacks-and-defenses/

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Source: NIST National Vulnerability Database (record CVE-2026-19292), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.