CVE-2026-19293highCWE-521

CVE-2026-19293: high-severity vulnerability in silabs.com WiseConnect

SMP security request

Published

Follow this CVE+ Monitor WiseConnect

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

21Vexday Risk Score

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

ssvc Trackcvss 8.8epss 0.2%
SMP security request (from peripheral) does not include the maximum encryption key size supported. Using a key with less than the maximum keysize makes brute-forcing the key easier. See V6 in 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-2026-19291HIGHBluetooth re-pairing can use a lower security level than previousEPSS 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%