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FKIE_CVE-2026-30817

Vulnerability from fkie_nvd - Published: 2026-04-08 19:25 - Updated: 2026-07-25 11:10
Severity
5.7 (Medium) - CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
An external configuration control vulnerability in the OpenVPN module of TP-Link AX53 v1.0 allows an authenticated adjacent attacker to read arbitrary files when a malicious configuration file is processed. Successful exploitation may allow unauthorized access to arbitrary files on the device, potentially exposing sensitive information.This issue affects AX53 v1.0: before 1.7.1 Build 20260213.
References
f23511db-6c3e-4e32-a477-6aa17d310630https://talosintelligence.com/vulnerability_reports/Third Party Advisory
f23511db-6c3e-4e32-a477-6aa17d310630https://www.tp-link.com/en/support/download/archer-ax53/v1/#FirmwareProduct
f23511db-6c3e-4e32-a477-6aa17d310630https://www.tp-link.com/my/support/download/archer-ax53/v1/#FirmwareProduct
f23511db-6c3e-4e32-a477-6aa17d310630https://www.tp-link.com/us/support/faq/5055/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2305
Impacted products
Vendor Product Version
tp-link archer_ax53_firmware *
tp-link archer_ax53 1.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "modules": [
            "dnsmasq"
          ],
          "product": "AX53 v1.0",
          "vendor": "TP-Link Systems Inc.",
          "versions": [
            {
              "lessThan": "1.7.1 Build 20260213",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "f23511db-6c3e-4e32-a477-6aa17d310630"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:tp-link:archer_ax53_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B096B7BB-7693-4C45-B5F7-8FD6E4969DCE",
              "versionEndExcluding": "1.7.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:tp-link:archer_ax53:1.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "5F3EA1D9-EB47-4785-9CF0-F2B51945917D",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An external configuration control vulnerability in the OpenVPN module\u00a0of TP-Link AX53 v1.0\u00a0allows an authenticated adjacent attacker to read arbitrary files when a malicious configuration file is processed.  Successful exploitation may allow unauthorized access to arbitrary files on the device, potentially exposing sensitive information.This issue affects AX53 v1.0: before 1.7.1 Build 20260213."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de control de configuraci\u00f3n externo en el m\u00f3dulo OpenVPN de TP-Link AX53 v1.0 permite a un atacante adyacente autenticado leer archivos arbitrarios cuando se procesa un archivo de configuraci\u00f3n malicioso. La explotaci\u00f3n exitosa puede permitir el acceso no autorizado a archivos arbitrarios en el dispositivo, exponiendo potencialmente informaci\u00f3n sensible. Este problema afecta a AX53 v1.0: antes de 1.7.1 Build 20260213."
    }
  ],
  "id": "CVE-2026-30817",
  "lastModified": "2026-07-25T11:10:00.100",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.1,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "ADJACENT",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "HIGH",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "f23511db-6c3e-4e32-a477-6aa17d310630",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-30817",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-04-08T19:10:32.982476Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-04-08T19:25:20.627",
  "references": [
    {
      "source": "f23511db-6c3e-4e32-a477-6aa17d310630",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://talosintelligence.com/vulnerability_reports/"
    },
    {
      "source": "f23511db-6c3e-4e32-a477-6aa17d310630",
      "tags": [
        "Product"
      ],
      "url": "https://www.tp-link.com/en/support/download/archer-ax53/v1/#Firmware"
    },
    {
      "source": "f23511db-6c3e-4e32-a477-6aa17d310630",
      "tags": [
        "Product"
      ],
      "url": "https://www.tp-link.com/my/support/download/archer-ax53/v1/#Firmware"
    },
    {
      "source": "f23511db-6c3e-4e32-a477-6aa17d310630",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.tp-link.com/us/support/faq/5055/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2305"
    }
  ],
  "sourceIdentifier": "f23511db-6c3e-4e32-a477-6aa17d310630",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-15"
        }
      ],
      "source": "f23511db-6c3e-4e32-a477-6aa17d310630",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-610"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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