CVE-2026-6924
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.
Published:Jul 23, 2026
Last Modified:Jul 27, 2026
EPS:Jul 23, 2026
EPSS Score:0.00263
CVSS Score:8.7
Affected Products
Vendor
Product
Action
Vendor
Silicon Labs
Product
Silicon Labs Matter Github
Silicon Labs
Silicon Labs Matter Github
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
