🔐 CVE Alert

CVE-2026-6924

UNKNOWN 0.0

Weak entropy initialization in Silicon Labs Matter SiWx917 TinyCrypt path

CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th

A bug in the entropy initialization for SiWx917 causes the DRBG to use a predictable seed. As such, all random numbers generated in the Matter code use the same stream of numbers. This vulnerability was discovered after the impacted repository was already deprecated.

CWE CWE-336
Vendor silicon labs
Product silicon labs matter github
Published Jul 23, 2026
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Affected Versions

Silicon Labs / Silicon Labs Matter Github
0

References

NVD ↗ CVE.org ↗ EPSS Data ↗
siliconlabs.lightning.force.com: https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/a45Vm0000009SzZIAU?operationContext=S1 github.com: https://github.com/SiliconLabs/matter/tree/release_2.3.1-1.3

Credits

🔍 Junming C. (@Chapoly1305) and Prof. Qiang Zeng of George Mason University