CVE-2025-7432

DPA countermeasures not reseeded under certain conditions

Published Feb 9, 2026 CVSS 4.0 · 1 Low EPSS < 1% KEV · Not listed
Description
DPA countermeasures in Silicon Labs' Series 2 devices are not reseeded under certain conditions. 

This may allow an attacker to eventually extract secret keys through a DPA attack.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Silabs
Silabs simplicity Sdk
Vendors & Products Silabs
Silabs simplicity Sdk
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description DPA countermeasures in Silicon Labs' Series 2 devices are not reseeded under certain conditions.  This may allow an attacker to eventually extract secret keys through a DPA attack.
Title DPA countermeasures not reseeded under certain conditions
Weaknesses CWE-331
References
Metrics cvssV4_0

{'score': 1, 'vector': 'CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Silabs
Published
Updated
Feb 9, 2026, 4:23 PM
Reserved
Jul 10, 2025, 2:55 PM
Status
Deferred
Published
Feb 9, 2026, 6:16 PM
Modified
Jun 17, 2026, 10:04 AM