{"id":"CVE-2026-9817","title":"A stack-based buffer overflow vulnerability exists in the boa formUploadFile functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327)","summary":"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 attack…","severity":"critical","cvss":9.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-121"],"vendor":"totolink","product":"Totolink","affected":["Totolink TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327"],"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T20:25:21.909Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-9817","references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2026-2429","label":"https://talosintelligence.com/vulnerability_reports/TALOS-2026-2429"}],"tags":["cve.org"],"ingestedAt":"2026-10-20T21:19:21.276Z","slug":"CVE-2026-9817","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `Totolink TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":50,"depthScoreParts":{"impact":50.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}