PT-2026-64178 · Silicon · Matter Siwx917
CVE-2026-6924
·
Published
2026-07-23
·
Updated
2026-07-24
CVSS v4.0
8.7
High
| Vector | AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Name of the Vulnerable Software and Affected Versions
Silicon Labs Matter SiWx917 (affected versions not specified)
Description
A bug in the entropy initialization for SiWx917 causes the Deterministic Random Bit Generator (DRBG), a mechanism used to produce random numbers, to use a predictable seed. Consequently, all random numbers generated within the Matter code follow the same sequence of numbers. This issue was identified after the affected repository had been deprecated.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
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Weakness Enumeration
Related Identifiers
Affected Products
Matter Siwx917