Vulnerability · Published May 14, 2026 · Assigned by Silabs
CVE-2026-3290Timing limitations of the HRNG in RS9116 when power save mode is enabled results in predictable values
High 7.4
In plain English
A high-severity security flaw in RS9116 SDK from Silicon Labs. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).
Severity (CVSS 4.0)7.4High
Exploit odds (30 days)0.2%top 94.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Timing limitations of the HRNG in RS9116 when power save mode is enabled results in predictable values
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Silicon Labs | RS9116 SDK | 0 – through 2.13.1 |
Weakness: CWE-332 · Vector: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
References
- https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm00000nIg6IIAS?operationContext=S1 vendor-advisory, permissions-required
- https://github.com/SiliconLabs/wiseconnect-wifi-bt-sdk/ patch