What’s Vulnerable › Vulnerabilities

CVE-2025-7432: DPA countermeasures not reseeded under certain conditions

• Severity: low (CVSS 1.0 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-09 · updated 2026-06-17
• Weakness: CWE-331

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.

Affected products

• silabs.com Simplicity SDK: before 2025.12.0 — fixed in 2025.12.0

How to fix

Upgrade to a fixed version: silabs.com Simplicity SDK 2025.12.0. Check the vendor advisory for mitigations.

References

• https://community.silabs.com/068Vm00000b9fBW

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