CVE-2025-7432: DPA countermeasures not reseeded under certain conditions
Published Feb 9, 2026
·Updated
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 Software
1 affected component
Silicon Labs Series 2 devices
Event History
Feb 9, 2026
CVE Published
via MITRE·04:07 PM
Data Sourced
via MITRE·04:07 PM
DescriptionWeakness
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2025-7432?
CVE-2025-7432 is considered a high-severity vulnerability due to its potential to allow attackers to extract secret keys.
2
How do I fix CVE-2025-7432?
To mitigate CVE-2025-7432, ensure that the DPA countermeasures are correctly reseeded within your Silicon Labs Series 2 devices.
3
Who is affected by CVE-2025-7432?
CVE-2025-7432 affects devices within Silicon Labs' Series 2 product line that utilize DPA countermeasures.
4
What types of attacks does CVE-2025-7432 enable?
CVE-2025-7432 can enable differential power analysis (DPA) attacks, potentially allowing key extraction.
5
When was CVE-2025-7432 published?
CVE-2025-7432 was published in 2025.