8.8High
CVE-2026-19291Bluetooth re-pairing can use a lower security level than previous
Description
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.
Weakness (CWE):
CWE-290
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
| Vendor | Product | Versions | |
|---|---|---|---|
| silabs.com | WiseConnect | 4.0.0 – < 4.1.0, 2.0.0 – < 2.14.0 |
References and patches
- https://docs.silabs.com/sisdk-release-notes/latest/sisdk-wifi-release-notes/sisdk-wifible-ble-release-notes release-notes
- https://docs.silabs.com/rs9116-wiseconnect/latest/wifibt-wc-release-notes/rs9116-ble-release-notes#bug-fixes release-notes
- https://community.silabs.com/068Vm00000x0yyH vendor-advisory
- https://www.ndss-symposium.org/ndss-paper/blerp-ble-re-pairing-attacks-and-defenses/