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CVE-2026-104611

Estado: AplazadaAlta (8.5)—

A vulnerability was detected in Tenda AC9 15.03.02.13. Affected is an unknown function of the file /goform/fast_setting_internet_set of the component POST Request Handler. Performing a manipulation of the argument netWanType results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Stack buffer overflow (CWE-121) en servicio web remoto de Tenda requiere PR:H pero permite ejecución de código arbitrario. T1210 por red+servicios; T1059 por overflow en handler POST.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-104611",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2026-104611",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
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          "version": "2.0.3",
          "timestamp": "2026-10-02T13:30:30.834838Z"
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:M/C:C/I:C/A:C",
          "authentication": "MULTIPLE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
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        "acInsufInfo": false,
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        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.4,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
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      }
    ],
    "cvssMetricV31": [
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        "type": "Secondary",
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        "cvssData": {
          "scope": "CHANGED",
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          "attackVector": "NETWORK",
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    "cvssMetricV40": [
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        "type": "Secondary",
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        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
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          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "PROOF_OF_CONCEPT",
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          "integrityRequirement": "NOT_DEFINED",
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          "vulnAvailabilityImpact": "HIGH",
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          "modifiedUserInteraction": "NOT_DEFINED",
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          "vulnConfidentialityImpact": "HIGH",
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          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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  },
  "affected": [
    {
      "source": "cna@vuldb.com",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:o:tenda:ac9_firmware:*:*:*:*:*:*:*:*"
          ],
          "vendor": "Tenda",
          "modules": [
            "POST Request Handler"
          ],
          "product": "AC9",
          "versions": [
            {
              "status": "affected",
              "version": "15.03.02.13"
            }
          ]
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      ]
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  ],
  "published": "2026-10-02T13:17:44.640",
  "references": [
    {
      "url": "https://github.com/ZaneBoden/CVEs/blob/main/Tenda-AC9-fast_setting_internet_set.md",
      "source": "cna@vuldb.com"
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    {
      "url": "https://vuldb.com/cve/CVE-2026-104611",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/submit/962720",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/412918",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/412918/cti",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://www.tenda.com.cn/",
      "source": "cna@vuldb.com"
    }
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  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        },
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability was detected in Tenda AC9 15.03.02.13. Affected is an unknown function of the file /goform/fast_setting_internet_set of the component POST Request Handler. Performing a manipulation of the argument netWanType results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used."
    }
  ],
  "lastModified": "2026-10-02T14:17:09.660",
  "sourceIdentifier": "cna@vuldb.com"
}