Medium severity · published May 15, 2026
CVE-2025-14972
Insufficient DPA countermeasure reseeding
4.1
CVSS
0.1%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SS
Simplicity SDK · silabs.com
through *.* · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-14972
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-14972
community.silabs.com
https://community.silabs.com/068Vm00000M3cAX
More from Simplicity SDK
9.4
CVE-2025-8414
Zigbee Green Power Host Buffer Overflow Vulnerability
8.8
CVE-2026-8676
An attacker is able to downgrade the security of a Bluetooth LE connection by deleting an existing bond, spoofing the bonded device and creating a new bond
7.1
CVE-2026-4930
DPA Countermeasures weakening on Series 3 devices
6.5
CVE-2024-6350
EmberZNet malformed MAC layer packet leads to denial of service
2.3
CVE-2025-14547
ECJ-PAKE Integer Underflow Vulnerability in Silicon Labs PSA Crypto and SE Manager APIs