{"id":"CVE-2026-6924","title":"A bug in the entropy initialization for SiWx917 causes the DRBG to use a predictable seed","summary":"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 repo…","severity":"none","cwe":["CWE-336"],"published":"2026-07-23","updated":"2026-09-08","sourceUpdated":"2026-09-08T19:12:59.557","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-6924","references":[{"url":"https://github.com/SiliconLabs/matter/tree/release_2.3.1-1.3","label":"product-security@silabs.com"},{"url":"https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/a45Vm0000009SzZIAU?operationContext=S1","label":"product-security@silabs.com"}],"tags":["nvd"],"epss":0.00445,"epssPercentile":0.3795,"ingestedAt":"2026-09-08T20:10:03.154Z","slug":"CVE-2026-6924","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}