{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:tenda:ac6_firmware:02.03.01.110:*:*:*:*:*:*:*",
              "matchCriteriaId": "FBBF7445-03C8-48EA-9DC3-BD4825E7CC0A",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
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          "cpeMatch": [
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              "criteria": "cpe:2.3:h:tenda:ac6:5.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "CFBE582F-BE50-4810-AAB2-B19F40693ACE",
              "vulnerable": false
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          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A denial of service vulnerability exists in the HTTP Header Parsing functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted series of HTTP requests can lead to a reboot. An attacker can send multiple network packets to trigger this vulnerability."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de denegaci\u00f3n de servicio en la funci\u00f3n de an\u00e1lisis de encabezados HTTP de Tenda AC6 V5.0 V02.03.01.110. Una serie de solicitudes HTTP especialmente manipuladas puede provocar un reinicio. Un atacante puede enviar m\u00faltiples paquetes de red para activar esta vulnerabilidad."
    }
  ],
  "id": "CVE-2025-30256",
  "lastModified": "2025-08-21T18:23:00.950",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.6,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.0,
        "source": "talos-cna@cisco.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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    ]
  },
  "published": "2025-08-20T14:15:43.067",
  "references": [
    {
      "source": "talos-cna@cisco.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2025-2166"
    }
  ],
  "sourceIdentifier": "talos-cna@cisco.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-772"
        }
      ],
      "source": "talos-cna@cisco.com",
      "type": "Primary"
    }
  ]
}