CVE-2026-6924
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.
Is your site exposed to CVE-2026-6924?
Run a free security scan — no signup, results in seconds.
EPSS — Exploit Prediction
0.0026
Probability of exploitation
0.18%
Percentile rank
EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.
Weakness Type (CWE)
CWE-336
CWE-336
References
Frequently Asked Questions
What is 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.
How do I check if I'm vulnerable to CVE-2026-6924? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.