{"id":"CVE-2026-3290","aliases":["EUVD-2026-30381","GHSA-rjvv-82rg-ppqh"],"status":"published","title":"Timing limitations of the HRNG in RS9116 when power save mode is enabled results in predictable values","description":"Timing limitations of the HRNG in RS9116 when power save mode is enabled results in predictable values","severity":{"version":"4.0","score":7.4,"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00159,"percentile":0.05089,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-332"],"published":"2026-05-14T19:24:26Z","modified":"2026-10-28T02:30:47Z","products":[{"vendor":"silicon labs","product":"rs9116 sdk"}],"references":[{"url":"https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm00000nIg6IIAS?operationContext=S1","tags":["vendor-advisory","permissions-required","report"]},{"url":"https://github.com/SiliconLabs/wiseconnect-wifi-bt-sdk/","tags":["patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3290","tags":["advisory"]},{"url":"https://github.com/SiliconLabs/wiseconnect-wifi-bt-sdk"},{"url":"https://github.com/advisories/GHSA-rjvv-82rg-ppqh"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3290.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-3290","title":"Timing limitations of the HRNG in RS9116 when power save mode is enabled results in predictable values","description":"Timing limitations of the HRNG in RS9116 when power save mode is enabled results in predictable values","status":"published","published":"2026-05-14T19:24:26.06Z","modified":"2026-05-14T19:35:06.824Z","cvss":[{"version":"4.0","score":7.4,"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","level":"high","assessor":"cna"}],"cwes":["CWE-332"],"updated_at":"2026-11-02T13:48:58.05327Z"}],"euvd":[{"id":"EUVD-2026-30381","description":"Timing limitations of the HRNG in RS9116 when power save mode is enabled results in predictable values","status":"published","published":"2026-05-14T19:24:26Z","modified":"2026-05-14T19:35:06Z","cvss":[{"version":"4.0","score":7.4,"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","level":"high"}],"updated_at":"2026-11-02T19:04:30.595644Z"}],"ghsa":[{"id":"GHSA-rjvv-82rg-ppqh","title":"Timing limitations of the HRNG in RS9116 when power save mode is enabled results in predictable...","description":"Timing limitations of the HRNG in RS9116 when power save mode is enabled results in predictable values","status":"published","published":"2026-05-14T21:30:44Z","modified":"2026-05-14T21:30:53Z","cvss":[{"version":"4.0","score":7.4,"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/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","level":"high"}],"cwes":["CWE-332"],"updated_at":"2026-11-02T15:08:08.953643Z"}],"nvd":[{"id":"CVE-2026-3290","description":"Timing limitations of the HRNG in RS9116 when power save mode is enabled results in predictable values","status":"published","published":"2026-05-14T20:17:04.093Z","modified":"2026-10-26T14:10:00.13Z","cvss":[{"version":"4.0","score":7.4,"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/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","level":"high","assessor":"secondary"}],"cwes":["CWE-332"],"updated_at":"2026-11-02T14:12:19.020465Z"}],"osv":[{"id":"CVE-2026-3290","title":"Timing limitations of the HRNG in RS9116 when power save mode is enabled results in predictable values","description":"Timing limitations of the HRNG in RS9116 when power save mode is enabled results in predictable values","status":"published","published":"2026-05-14T19:24:26.06Z","modified":"2026-10-28T02:30:47.007844915Z","cvss":[{"version":"4.0","score":7.4,"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","level":"high"}],"cwes":["CWE-332"],"updated_at":"2026-11-02T15:45:01.548715Z"}]}}