CVE-2026-19291: Silabs.com Wiseconnect

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Silabs.com Wiseconnect: from 4.0.0, before 4.1.0 (fixed in 4.1.0); from 2.0.0, before 2.14.0 (fixed in 2.14.0)

Published 2026-08-13. Last modified 2026-09-08.