{"id":"CVE-2026-19386","aliases":["EUVD-2026-94157","GHSA-rx2g-2998-5867"],"status":"published","title":"A stack-based buffer overflow in the ASUS router modules allows an authenticated nearby user to...","description":"A stack-based buffer overflow in the ASUS router modules allows an authenticated nearby user to execute arbitrary code via a crafted configuration file upload that exceeds the expected buffer size.Refer to the ' Security Update for ASUS Router Firmware  ' section on the ASUS Security Advisory for more information.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00192,"percentile":0.0894,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121"],"published":"2026-10-07T02:05:31Z","modified":"2026-10-08T04:17:19Z","products":[{"vendor":"asus","product":"router"}],"references":[{"url":"https://www.asus.com/security-advisory"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19386"},{"url":"https://github.com/advisories/GHSA-rx2g-2998-5867"}],"sources":{"cve":[{"id":"CVE-2026-19386","description":"A stack-based buffer overflow in the ASUS router modules allows an authenticated nearby user to execute arbitrary code via a crafted configuration file upload that exceeds the expected buffer size.Refer to the ' Security Update for ASUS Router Firmware  ' section on the ASUS Security Advisory for more information.","status":"published","published":"2026-10-07T02:05:31.759Z","modified":"2026-10-08T03:55:53.457Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"critical","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T13:47:17.512524Z"}],"euvd":[{"id":"EUVD-2026-94157","description":"A stack-based buffer overflow in the ASUS router modules allows an authenticated nearby user to execute arbitrary code via a crafted configuration file upload that exceeds the expected buffer size.Refer to the ' Security Update for ASUS Router Firmware  ' section on the ASUS Security Advisory for more information.","status":"published","published":"2026-10-07T02:05:31Z","modified":"2026-10-08T03:55:53Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"critical"}],"updated_at":"2026-11-02T17:27:33.098422Z"}],"ghsa":[{"id":"GHSA-rx2g-2998-5867","title":"A stack-based buffer overflow in the ASUS router modules allows an authenticated nearby user to...","description":"A stack-based buffer overflow in the ASUS router modules allows an authenticated nearby user to execute arbitrary code via a crafted configuration file upload that exceeds the expected buffer size.Refer to the ' Security Update for ASUS Router Firmware  ' section on the ASUS Security Advisory for more information.","status":"published","published":"2026-10-07T03:30:23Z","modified":"2026-10-07T03:30:23Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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":"critical"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:12:53.496212Z"}],"nvd":[{"id":"CVE-2026-19386","description":"A stack-based buffer overflow in the ASUS router modules allows an authenticated nearby user to execute arbitrary code via a crafted configuration file upload that exceeds the expected buffer size.Refer to the ' Security Update for ASUS Router Firmware  ' section on the ASUS Security Advisory for more information.","status":"published","published":"2026-10-07T02:16:57.883Z","modified":"2026-10-08T04:17:19.81Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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":"critical","assessor":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:12:54.809359Z"}]}}