Totolink — security advisory

{
  "id": "94e90e65f8636e5bdfe149388d28ee2885df3f56355bec9d638d9cb5b2cfc3a7",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-41223",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-41223",
    "summary": "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.",
    "evidence": "cve:CVE-2026-41223",
    "products": [
      {
        "name": {
          "value": "Totolink",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-41223",
      "aliases": [
        "CVE-2026-41223"
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "scope": "CHANGED",
            "version": "3.1",
            "baseScore": 9.1,
            "attackVector": "NETWORK",
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
            "integrityImpact": "HIGH",
            "userInteraction": "NONE",
            "attackComplexity": "LOW",
            "availabilityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "confidentialityImpact": "HIGH"
          }
        }
      ],
      "affected": [
        {
          "vendor": "totolink",
          "product": "Totolink",
          "versions": [
            {
              "status": "affected",
              "version": "TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-28T20:05:00.158Z",
      "provider": "cve",
      "references": [
        "https://talosintelligence.com/vulnerability_reports/TALOS-2026-2390"
      ],
      "provider_metadata": {
        "adp": [
          {
            "title": "CISA ADP Vulnrichment",
            "metrics": [
              {
                "other": {
                  "type": "ssvc",
                  "content": {
                    "id": "CVE-2026-41223",
                    "role": "CISA Coordinator",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "version": "2.0.3",
                    "timestamp": "2026-10-28T17:53:15.326241Z"
                  }
                }
              }
            ],
            "providerMetadata": {
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP",
              "dateUpdated": "2026-10-28T20:05:00.158Z"
            }
          }
        ],
        "cna": {
          "orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
          "shortName": "talos",
          "dateUpdated": "2026-10-20T20:25:26.040Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-41223",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 484669,
  "published_at": "2026-10-20T20:25:26.04+00:00"
}