CVE Explorer
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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Silicon Labs Matter Github","repo":"https://github.com/SiliconLabs/simplicity_sdk","vendor":"Silicon Labs","versions":[{"status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:fdf0a83043dd22b296e0d01803a8781a0ab633f286e57521cf28187059efbd36 · sha256:17ded910cdd4a413… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:fdf0a83043dd22b296e0d01803a8781a0ab633f286e57521cf28187059efbd36 · sha256:17ded910cdd4a413… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-336","description":"CWE-336: Same Seed in Pseudo-Random Number Generator (PRNG)","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:fdf0a83043dd22b296e0d01803a8781a0ab633f286e57521cf28187059efbd36 · sha256:17ded910cdd4a413… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"tags":["patch"],"url":"https://github.com/SiliconLabs/matter/tree/release_2.3.1-1.3"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:fdf0a83043dd22b296e0d01803a8781a0ab633f286e57521cf28187059efbd36 · sha256:17ded910cdd4a413… · /containers/cna/references/1
{"tags":["vendor-advisory","permissions-required"],"url":"https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/a45Vm0000009SzZIAU?operationContext=S1"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:fdf0a83043dd22b296e0d01803a8781a0ab633f286e57521cf28187059efbd36 · sha256:17ded910cdd4a413… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.