CVEvulnerability

CVE-2026-6924

8.7 HIGH Published 2026-07-23 Modified 2026-10-24 Official page ↗

Status: Awaiting Analysis
Published: 2026-07-23
Last modified: 2026-10-24
Assigner: [email protected]
CVSS 4.0 ([email protected]): 8.7 HIGH — CVSS:4.0/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
Weaknesses: CWE-336

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.

Weakness · CWE (1)

CWE-336 Same Seed in Pseudo-Random Number Generator (PRNG) weakness

References

https://github.com/SiliconLabs/matter/tree/release_2.3.1-1.3 github.com
https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/a45Vm0000009SzZIAU?operationContext=S1 siliconlabs.lightning.force.com

CVE-2026-6924

Description

Related

Weakness · CWE (1)

References