{"id":"CVE-2026-9817","state":"PUBLISHED","title":"A stack-based buffer overflow vulnerability exists in the boa formUploadFile functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTT","description":"A stack-based buffer overflow vulnerability exists in the boa formUploadFile 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.","publishedAt":"2026-10-20T20:25:21.909Z","updatedAt":"2026-10-23T22:09:52.079Z","severity":{"score":9.1,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","source":"talos"},"assigner":"talos","products":["totolink Totolink"],"affected":[{"vendor":"totolink","product":"Totolink","defaultStatus":"unaffected","versions":[{"version":"TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327","status":"affected"}]}],"references":["https://talosintelligence.com/vulnerability_reports/TALOS-2026-2429"],"weaknesses":["CWE-121"],"ingestedAt":"2026-10-29T20:13:52.441Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/9xxx/CVE-2026-9817.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-9817","state":"PUBLISHED","datePublished":"2026-10-20T20:25:21.909Z","dateUpdated":"2026-10-23T22:09:52.079Z","assignerShortName":"talos","assignerOrgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","dateReserved":"2026-05-28T10:22:35.362Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A stack-based buffer overflow vulnerability exists in the boa formUploadFile 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."}],"affected":[{"vendor":"totolink","product":"Totolink","defaultStatus":"unaffected","versions":[{"version":"TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327","status":"affected"}]}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2026-2429","name":"https://talosintelligence.com/vulnerability_reports/TALOS-2026-2429"}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-121","lang":"en","description":"CWE-121: Stack-based Buffer Overflow","type":"CWE"}]}],"providerMetadata":{"shortName":"talos","orgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","dateUpdated":"2026-10-20T20:25:21.909Z"},"credits":[{"lang":"en","value":"Discovered by Lilith Wyatt of Cisco Talos"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-23T20:45:14.802013Z","id":"CVE-2026-9817","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-23T22:09:52.079Z"}}]}}}