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CVE-2026-3290

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

7.4 High

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

Attack profile

How easy it is to exploit

Attack vector
Adjacent network
Complexity
Low
Privileges needed
None
User interaction
Passive

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
None

Exploit likelihood

0.16%Up 0.1 points since May 15, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.4

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

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

Record
CVE-2026-3290
CVSS 4.0
7.4 HighCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Weakness
CWE-332
Updated
2026-11-02
EUVDEUVD-2026-30381 7.4

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

Record
EUVD-2026-30381
CVSS 4.0
7.4 HighCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-rjvv-82rg-ppqh 7.4

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

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

Record
GHSA-rjvv-82rg-ppqh
CVSS 4.0
7.4 HighCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/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
Weakness
CWE-332
Updated
2026-11-02
NVD 7.4

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

Record
CVE-2026-3290
CVSS 4.0
7.4 HighCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/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
Weakness
CWE-332
Updated
2026-11-02
OSV 7.4

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

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

Record
CVE-2026-3290
CVSS 4.0
7.4 HighCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Weakness
CWE-332
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-3290 is a high vulnerability (CVSS 7.4) in Silicon Labs Rs9116 Sdk, published May 14, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 5th percentile. No source names a fixed version.

References

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