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.
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Fri, 24 Jul 2026 19:30:00 +0000
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Thu, 23 Jul 2026 21:45:00 +0000
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| 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. | |
| Title | Weak entropy initialization in Silicon Labs Matter SiWx917 TinyCrypt path | |
| Weaknesses | CWE-336 | |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: Silabs
Published:
Updated: 2026-07-24T13:40:36.220Z
Reserved: 2026-04-23T17:11:02.116Z
Link: CVE-2026-6924
Updated: 2026-07-24T13:40:29.288Z
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