{"id":"CVE-2026-28763","published":"2026-10-20T21:17:18.037","lastModified":"2026-10-22T15:31:24.813","description":"A stack-based buffer overflow vulnerability exists in the boa formMapDelDevice hostname 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.","cvssScore":9.1,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","cwes":["CWE-121"],"vendors":[],"products":[],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2026-2389","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A stack-based buffer overflow in the formMapDelDevice hostname functionality of the X2000R router's web interface allows authenticated attackers to execute arbitrary code by sending a specially crafted HTTP request that overflows a stack buffer.","exploitability":"Exploitation requires valid authentication and a single HTTP request; no user interaction is needed, but the attacker must be authenticated first.","blast_radius":"Successful exploitation could lead to full device compromise including remote code execution, data theft, and potential pivot to internal networks.","remediation":"Upgrade to TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327 or later; if no fixed version is available, disable the affected formMapDelDevice endpoint and restrict web interface access to trusted IPs.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","buffer-overflow","web","authenticated","embedded"],"model":"garnet-coder","analyzedAt":"2026-10-25T08:51:14.623Z"}}