{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-9659", "assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "state": "PUBLISHED", "assignerShortName": "talos", "dateReserved": "2026-05-26T21:49:56.433Z", "datePublished": "2026-10-20T20:25:22.621Z", "dateUpdated": "2026-10-28T20:05:44.804Z" }, "containers": { "cna": { "affected": [ { "vendor": "totolink", "product": "Totolink", "versions": [ { "status": "affected", "version": "TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "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 vpnUser parameter." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "CWE-121: Stack-based Buffer Overflow", "type": "CWE", "cweId": "CWE-121" } ] } ], "metrics": [ { "cvssV3_1": { "version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "CRITICAL", "baseScore": 9.1, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H" } } ], "providerMetadata": { "orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "shortName": "talos", "dateUpdated": "2026-10-20T20:25:22.621Z" }, "references": [ { "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2026-2425", "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2026-2425" } ], "credits": [ { "lang": "en", "value": "Discovered by Lilith Wyatt of Cisco Talos" } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-28T17:53:01.151792Z", "id": "CVE-2026-9659", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-28T20:05:44.804Z" } } ] } }