CVE-2025-14972
Insufficient DPA countermeasure reseeding
4.1 Medium
- 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.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
0.15%Up 0.1 points since May 16, 2026
What each source reports
CVE List Score used
Insufficient DPA countermeasure reseeding
- 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.
- Record
CVE-2025-14972- CVSS 4.0
- 4.1 Medium
CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-331
- Updated
- 2026-11-02
EUVDEUVD-2025-209883
- 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.
- Record
EUVD-2025-209883- CVSS 4.0
- 4.1 Medium
CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-6cr3-m628-79px
* Countermeasures for DPA within SYMCRYPTO engine on SixG301xxx devices are not sufficiently...
- 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.
- Record
GHSA-6cr3-m628-79px- CVSS 4.0
- 4.1 Medium
CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-331
- Updated
- 2026-11-02
NVD
- 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.
- Record
CVE-2025-14972- CVSS 4.0
- 4.1 Medium
CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-331
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-14972 is a medium vulnerability (CVSS 4.1) in Silabs.com Simplicity Sdk, published May 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 3rd percentile. No source names a fixed version.