{"id":"CVE-2026-9660","published":"2026-10-20T21:17:22Z","modified":"2026-10-23T23:19:50Z","title":"Multiple exploitable stack-based buffer overflow vulnerabilities exist in the boa formFilter functionality of X2000R…","vendor":"totolink","product":"Totolink","tier":"core","eol":null,"description":{"text":"Multiple exploitable stack-based buffer overflow vulnerabilities exist in the boa formFilter 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 these vulnerabilities. This vulnerability deals with the vpnPassword parameter.","provenance":"source","from":"NVD"},"summary":{"text":"A stack-based buffer overflow in the formFilter functionality of the boa web server on the Totolink X2000R router (firmware TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327) is triggered via the vpnPassword parameter. An attacker with high-privilege authentication can send a specially crafted authenticated HTTP request to achieve arbitrary code execution, with no network-adjacent position or user interaction required beyond that authenticated access.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:17:22Z"},"cvss":{"score":9.1,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.00512,"percentile":0.43701,"date":"2026-10-31","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":null,"cwes":[{"id":"CWE-121","name":"Stack-based Buffer Overflow"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2026-2425","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-105337","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-105337","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2026-10-20","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9660","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":15.1,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":8.74,"detail":"percentile 0.4370"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":6.37,"detail":"base score 9.1"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}