Description

Timing limitations of the HRNG in RS9116 when power save mode is enabled results in predictable values

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EPSS — Exploit Prediction

0.0002

Probability of exploitation

0.07%

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-332 CWE-332

References

Other References

https://github.com/SiliconLabs/wiseconnect-wifi-bt-sdk/ https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm00000nIg6IIAS?operationContext=S1

Frequently Asked Questions

What is CVE-2026-3290? +

Timing limitations of the HRNG in RS9116 when power save mode is enabled results in predictable values

How do I check if I'm vulnerable to CVE-2026-3290? +

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.