Vulnerability 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.
CVSS Score
8.8
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Related Weaknesses (CWE)
References
- https://community.silabs.com/068Vm00000x0yyH
- https://docs.silabs.com/rs9116-wiseconnect/latest/wifibt-wc-release-notes/rs9116
- https://docs.silabs.com/sisdk-release-notes/latest/sisdk-wifi-release-notes/sisd
- https://www.ndss-symposium.org/ndss-paper/blerp-ble-re-pairing-attacks-and-defen
FAQ
What is CVE-2026-19291?
CVE-2026-19291 is a vulnerability with a CVSS score of 8.8 (HIGH). 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.
How severe is CVE-2026-19291?
CVE-2026-19291 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-19291?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.