CVE-2026-2815: Silicon Labs Sisdk

High severity, CVSS 8.4. EPSS: 0.3% chance of exploitation in the next 30 days.

Incorrect use of the PUF key for user key generation in EFR32xG27 results in predictable keys

Affected products

• Silicon Labs Sisdk: up to and including 2025.12.1

Published 2026-06-25. Last modified 2026-06-25.