CVE-2025-14972 Insufficient DPA countermeasure reseeding
Insufficient randomization in DPA countermeasures allows attackers to recover keys from Silicon Labs Simplicity SDK implementations.
- 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-2025-14972?
CVE-2025-14972 is a medium-severity vulnerability in silabs.com Simplicity SDK, published on 15 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
* Countermeasures for DPA within SYMCRYPTO engine on SixG301xxx devices are not sufficiently random and will eventually repeat. * KSU keys using SYMCRYPTO will be impacted by this vulnerability.
Weakness: CWE-331
Which versions are affected by CVE-2025-14972?
How do I fix CVE-2025-14972?
No fix has been published for CVE-2025-14972 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-14972 being exploited?
There is no known exploitation of CVE-2025-14972 in the wild and no public exploit code.
Sources
Also known as GHSA-6cr3-m628-79px.