{"id":"CVE-2026-9869","published":"2026-10-20T21:17:23.143","lastModified":"2026-10-23T23:19:51.180","description":"A stack-based buffer overflow vulnerability exists in the boa formTR069Config 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-2026-2431","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A stack-based buffer overflow in the boa formTR069Config function of the X2000R router 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 a single HTTP request; no complex conditions or user interaction are needed, making it straightforward for an authenticated attacker.","blast_radius":"Successful exploitation grants full system compromise (confidentiality, integrity, and availability) on the vulnerable device, potentially enabling pivot to internal networks or persistent access.","remediation":"Upgrade to TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327 or later, as this is the only fixed version explicitly named in the description.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","buffer-overflow","web","authenticated","embedded"],"model":"garnet-coder","analyzedAt":"2026-10-26T08:47:10.483Z"}}