CVE-2025-4321: Silabs.com RS9116W

High severity, CVSS 7.1. EPSS: 0.2% chance of exploitation in the next 30 days.

In a Bluetooth device, using RS9116-WiseConnect SDK experiences a Denial of Service, if it receives malformed L2CAP packets, only hard reset will bring the device to normal operation

Affected products

• Silabs.com RS9116W: up to and including 2.12.1

Published 2025-11-17. Last modified 2026-10-07.