CVE-2026-19292
Bluetooth re-pairing with legitimate device can use lower security level
- State
- Published
- Severity
- 8.8 High
- Published
- Aug 13, 2026
- Updated
- Aug 13, 2026
- Reserved
- Aug 7, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.8 High | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | Silabs |
Weaknesses
- CWE-305 Authentication bypass by primary weakness
Affected Products
| Product | Versions |
|---|---|
WiseConnectsilabs.com |
|
References
- https://docs.silabs.com/sisdk-release-notes/latest/sisdk-wifi-release-notes/sisdk-wifible-ble-release-notesrelease-notes
- https://docs.silabs.com/rs9116-wiseconnect/latest/wifibt-wc-release-notes/rs9116-ble-release-notes#bug-fixesrelease-notes
- https://community.silabs.com/068Vm00000x0yyHvendor-advisorypermissions-required
- https://www.ndss-symposium.org/ndss-paper/blerp-ble-re-pairing-attacks-and-defenses/related
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