---
id: CVE-2025-14972
title: |-
  *  Countermeasures for DPA within SYMCRYPTO
  engine on SixG301xxx devices are not sufficiently random and will
  eventually repeat.
    *  KSU keys using SYMCRYPTO will be
  impacted by this vulnerability.
summary: |-
  *  Countermeasures for DPA within SYMCRYPTO
  engine on SixG301xxx devices are not sufficiently random and will
  eventually repeat.
    *  KSU keys using SYMCRYPTO will be
  impacted by this vulnerability.
severity: none
cwe:
  - CWE-331
published: '2026-05-15'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T21:10:00.190'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-14972'
references:
  - url: 'https://community.silabs.com/068Vm00000M3cAX'
    label: product-security@silabs.com
tags:
  - nvd
epss: 0.00146
epssPercentile: 0.03217
ingestedAt: '2026-09-30T21:25:07.730Z'
---

## Overview

*  Countermeasures for DPA within SYMCRYPTO
engine on SixG301xxx devices are not sufficiently random and will
eventually repeat.
  *  KSU keys using SYMCRYPTO will be
impacted by this vulnerability.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.