CVE-2025-7432 DPA countermeasures not reseeded under certain conditions
Attackers can extract secret keys via DPA attacks due to insufficient reseeding of countermeasures in Silicon Labs Series 2 devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-7432?
CVE-2025-7432 is a low-severity vulnerability in silabs.com Simplicity SDK, published on 9 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-331
Which versions are affected by CVE-2025-7432?
How do I fix CVE-2025-7432?
No fix has been published for CVE-2025-7432 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-7432 being exploited?
There is no known exploitation of CVE-2025-7432 in the wild and no public exploit code.
Sources
Also known as GHSA-mhvf-ghpw-c93c.