{"id":"CVE-2026-9817","aliases":["EUVD-2026-105334","GHSA-4x89-c5gq-3rg8"],"status":"published","title":"A stack-based buffer overflow vulnerability exists in the boa formUploadFile functionality of...","description":"A stack-based buffer overflow vulnerability exists in the boa formUploadFile functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00512,"percentile":0.43963,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121"],"published":"2026-10-20T20:25:21Z","modified":"2026-10-23T23:19:50Z","products":[{"vendor":"totolink","product":"totolink"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2026-2429"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9817"},{"url":"https://github.com/advisories/GHSA-4x89-c5gq-3rg8"}],"sources":{"cve":[{"id":"CVE-2026-9817","description":"A stack-based buffer overflow vulnerability exists in the boa formUploadFile functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.","status":"published","published":"2026-10-20T20:25:21.909Z","modified":"2026-10-23T22:09:52.079Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T13:42:37.965383Z"}],"euvd":[{"id":"EUVD-2026-105334","description":"A stack-based buffer overflow vulnerability exists in the boa formUploadFile functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.","status":"published","published":"2026-10-20T20:25:21Z","modified":"2026-10-23T22:09:52Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:59:31.52463Z"}],"ghsa":[{"id":"GHSA-4x89-c5gq-3rg8","title":"A stack-based buffer overflow vulnerability exists in the boa formUploadFile functionality of...","description":"A stack-based buffer overflow vulnerability exists in the boa formUploadFile functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.","status":"published","published":"2026-10-20T21:31:09Z","modified":"2026-10-20T21:31:17Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:14:05.433073Z"}],"nvd":[{"id":"CVE-2026-9817","description":"A stack-based buffer overflow vulnerability exists in the boa formUploadFile functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.","status":"published","published":"2026-10-20T21:17:22.9Z","modified":"2026-10-23T23:19:50.96Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:13:01.161484Z"}]}}