Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-7432

Severity CVSS v4.0:
LOW
Type:
CWE-331 Insufficient Entropy
Publication date:
09/02/2026
Last modified:
09/02/2026

Description

DPA countermeasures in Silicon Labs&amp;#39; Series 2 devices are not reseeded under certain conditions. <br /> <br /> This may allow an attacker to eventually extract secret keys through a DPA attack.

Impact

Vector 4.0
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 CVSS v4.0 Severity and Metrics:

Base Score: 1.00 LOW
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

Attack Vector (AV): Physical
Attack Complexity (AC): High
Attack Requirements (AT): Present
Privileges Required (PR): None
User Interaction (UI): None
Confidentiality (VC): Low
Integrity (VI): None
Availability (VA): None
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None

Base Score 4.0
1.00
Severity 4.0
LOW

References to Advisories, Solutions, and Tools