CVE-2026-19291highCWE-290

CVE-2026-19291: high-severity vulnerability in silabs.com WiseConnect

Bluetooth re-pairing can use a lower security level than previous

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.8epss 0.4%
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:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
silabs.com · WiseConnect
Related CVEs — silabs.com WiseConnect

In the same product, most dangerous first.

CVE-2025-3873MEDIUMBuffer overflow in Si91x crypto APIsEPSS 0.4%CVE-2026-19292HIGHBluetooth re-pairing with legitimate device can use lower security levelEPSS 0.4%CVE-2026-16101HIGHforced re-pairing with already bonded deviceEPSS 0.4%CVE-2026-65935HIGHBypassing passkey entry in legacy pairingEPSS 0.3%CVE-2026-65936MEDIUMRS9116W/SiWx917 malformed packet with increased length field causes memory leakEPSS 0.3%CVE-2026-19293HIGHSMP security requestEPSS 0.2%