PT-2026-52387 · Silicon · Sisdk

Published 2026-06-25 · Updated 2026-06-25 · CVE-2026-2815

NVD

CVSS v4.0

8.4

High

Base vector

AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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

Fix

Weakness Enumeration

CWE-339

Related Identifiers

CVE-2026-2815

Affected Products

Sisdk

References · 3

• https://github.com/SiliconLabsSoftware/sisdk-release · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-2815 · Security Note
• https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm00000kDYsfIAG?operationContext=S1 · Vendor Advisory