{"id":"CVE-2025-14055","aliases":["EUVD-2025-207677","GHSA-2m3f-m6mg-cvqf"],"status":"published","title":"Integer underflow in Secure NCP host","description":"An integer underflow vulnerability in Silicon Labs Secure NCP host implementation allows a buffer overread via a specially crafted packet.","severity":{"version":"4.0","score":2.4,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00194,"percentile":0.09146,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125","CWE-191"],"published":"2026-02-20T14:45:10Z","modified":"2026-06-17T08:35:14Z","products":[{"vendor":"silabs.com","product":"simplicity sdk, gecko sdk"}],"references":[{"url":"https://community.silabs.com/068Vm00000gvJlq","tags":["vendor-advisory","permissions-required"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-14055"},{"url":"https://github.com/advisories/GHSA-2m3f-m6mg-cvqf"}],"sources":{"cve":[{"id":"CVE-2025-14055","title":"Integer underflow in Secure NCP host","description":"An integer underflow vulnerability in Silicon Labs Secure NCP host implementation allows a buffer overread via a specially crafted packet.","status":"published","published":"2026-02-20T14:45:10.31Z","modified":"2026-04-24T15:29:24.113Z","cvss":[{"version":"4.0","score":2.4,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","level":"low","assessor":"cna"}],"cwes":["CWE-191","CWE-125"],"updated_at":"2026-11-02T14:32:28.621398Z"}],"euvd":[{"id":"EUVD-2025-207677","description":"An integer underflow vulnerability in Silicon Labs Secure NCP host implementation allows a buffer overread via a specially crafted packet.","status":"published","published":"2026-02-20T14:45:10Z","modified":"2026-04-24T15:29:24Z","cvss":[{"version":"4.0","score":2.4,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","level":"low"}],"updated_at":"2026-11-02T19:24:18.636842Z"}],"ghsa":[{"id":"GHSA-2m3f-m6mg-cvqf","title":"An integer underflow vulnerability in Silicon Labs Secure NCP host implementation allows a buffer...","description":"An integer underflow vulnerability in Silicon Labs Secure NCP host implementation allows a buffer overread via a specially crafted packet.","status":"published","published":"2026-02-20T15:31:03Z","modified":"2026-02-20T15:31:03Z","cvss":[{"version":"4.0","score":2.4,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/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":"low"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:06:17.487245Z"}],"nvd":[{"id":"CVE-2025-14055","description":"An integer underflow vulnerability in Silicon Labs Secure NCP host implementation allows a buffer overread via a specially crafted packet.","status":"published","published":"2026-02-20T15:20:28.977Z","modified":"2026-06-17T08:35:14.723Z","cvss":[{"version":"4.0","score":2.4,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/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":"low","assessor":"secondary"}],"cwes":["CWE-125","CWE-191"],"updated_at":"2026-11-02T14:12:00.273026Z"}]}}