{"id":"CVE-2026-41223","published":"2026-10-20T21:17:18.783","lastModified":"2026-10-22T15:31:24.813","description":"A stack-based buffer overflow vulnerability exists in the boa formMapDelDevice macstr 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-2026-2390","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A stack-based buffer overflow in the formMapDelDevice macstr function of X2000R firmware allows authenticated attackers to execute arbitrary code by sending a specially crafted HTTP request that overflows a local buffer on the stack.","exploitability":"Exploitation requires valid authentication and sending a single malicious HTTP request; no user interaction is needed.","blast_radius":"Successful exploitation grants full system compromise (confidentiality, integrity, and availability) due to remote code execution with likely root privileges.","remediation":"Upgrade to TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327 or later, as this is the only fixed version referenced in the description.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","buffer-overflow","auth-required","web-app","embedded-device"],"model":"garnet-coder","analyzedAt":"2026-10-25T08:52:04.813Z"}}