CVE-2026-6924 – Weak entropy initialization in Silicon Labs Matter SiWx917 TinyCrypt path

CVE ID :CVE-2026-6924

Published : July 23, 2026, 9:17 p.m. | 32 minutes ago

Description :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.

Severity: 8.7 | HIGH

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