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CVE-2026-9348

Status: DeferredHigh (7.4)—

A vulnerability was found in Edimax EW-7438RPn up to 1.31. Affected by this vulnerability is an unknown functionality of the file /goform/mp of the component webs. The manipulation of the argument webs results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

Vulnerabilidad de stack buffer overflow (CWE-119/121) en servicio web remoto del router Edimax que requiere PR:L (acceso autenticado), permitiendo ejecución arbitraria de código y potencial escalada de privilegios.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2026-9348",
  "cveTags": [],
  "metrics": {
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          "id": "CVE-2026-9348",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
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          "version": "2.0.3",
          "timestamp": "2026-05-27T19:58:23.150404Z"
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          "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
          "authentication": "SINGLE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
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        "acInsufInfo": false,
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        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
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        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
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    "cvssMetricV31": [
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        "type": "Secondary",
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        "cvssData": {
          "scope": "UNCHANGED",
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          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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    ],
    "cvssMetricV40": [
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        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 7.4,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "NONE",
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          "attackRequirements": "NONE",
          "privilegesRequired": "LOW",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "HIGH",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "HIGH",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "HIGH",
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          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
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          "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:a:edimax:ew-7438rpn:*:*:*:*:*:*:*:*"
          ],
          "vendor": "Edimax",
          "modules": [
            "webs"
          ],
          "product": "EW-7438RPn",
          "versions": [
            {
              "status": "affected",
              "version": "1.0"
            },
            {
              "status": "affected",
              "version": "1.1"
            },
            {
              "status": "affected",
              "version": "1.2"
            },
            {
              "status": "affected",
              "version": "1.3"
            },
            {
              "status": "affected",
              "version": "1.4"
            },
            {
              "status": "affected",
              "version": "1.5"
            },
            {
              "status": "affected",
              "version": "1.6"
            },
            {
              "status": "affected",
              "version": "1.7"
            },
            {
              "status": "affected",
              "version": "1.8"
            },
            {
              "status": "affected",
              "version": "1.9"
            },
            {
              "status": "affected",
              "version": "1.10"
            },
            {
              "status": "affected",
              "version": "1.11"
            },
            {
              "status": "affected",
              "version": "1.12"
            },
            {
              "status": "affected",
              "version": "1.13"
            },
            {
              "status": "affected",
              "version": "1.14"
            },
            {
              "status": "affected",
              "version": "1.15"
            },
            {
              "status": "affected",
              "version": "1.16"
            },
            {
              "status": "affected",
              "version": "1.17"
            },
            {
              "status": "affected",
              "version": "1.18"
            },
            {
              "status": "affected",
              "version": "1.19"
            },
            {
              "status": "affected",
              "version": "1.20"
            },
            {
              "status": "affected",
              "version": "1.21"
            },
            {
              "status": "affected",
              "version": "1.22"
            },
            {
              "status": "affected",
              "version": "1.23"
            },
            {
              "status": "affected",
              "version": "1.24"
            },
            {
              "status": "affected",
              "version": "1.25"
            },
            {
              "status": "affected",
              "version": "1.26"
            },
            {
              "status": "affected",
              "version": "1.27"
            },
            {
              "status": "affected",
              "version": "1.28"
            },
            {
              "status": "affected",
              "version": "1.29"
            },
            {
              "status": "affected",
              "version": "1.30"
            },
            {
              "status": "affected",
              "version": "1.31"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-05-24T04:16:53.960",
  "references": [
    {
      "url": "https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_6/6.md",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/submit/813890",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/365311",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/365311/cti",
      "source": "cna@vuldb.com"
    }
  ],
  "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 found in Edimax EW-7438RPn up to 1.31. Affected by this vulnerability is an unknown functionality of the file /goform/mp of the component webs. The manipulation of the argument webs results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad fue encontrada en Edimax EW-7438RPn hasta la versión 1.31. Afectada por esta vulnerabilidad es una funcionalidad desconocida del archivo /goform/mp del componente webs. La manipulación del argumento webs resulta en desbordamiento de búfer basado en pila. Es posible lanzar el ataque remotamente. El exploit ha sido hecho público y podría ser usado. El proveedor fue contactado tempranamente sobre esta divulgación pero no respondió de ninguna manera."
    }
  ],
  "lastModified": "2026-07-23T11:10:00.120",
  "sourceIdentifier": "cna@vuldb.com"
}