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CVE-2018-20056

Estado: ModificadaCrítica (9.8)—

An issue was discovered in /bin/boa on D-Link DIR-619L Rev.B 2.06B1 and DIR-605L Rev.B 2.12B1 devices. There is a stack-based buffer overflow allowing remote attackers to execute arbitrary code without authentication via the goform/formLanguageChange currTime parameter.

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).

Tecnologías afectadas (2)

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2018-20056",
  "cveTags": [],
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
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          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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  "affected": [
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      "affectedData": [
        {
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          "product": "n/a",
          "versions": [
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  "published": "2018-12-11T09:29:00.240",
  "references": [
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      "url": "https://github.com/WhooAmii/whooamii.github.io/blob/master/2018/DIR-619%20stack%20overflow.md",
      "tags": [
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          "value": "CWE-787"
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  "descriptions": [
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      "value": "An issue was discovered in /bin/boa on D-Link DIR-619L Rev.B 2.06B1 and DIR-605L Rev.B 2.12B1 devices. There is a stack-based buffer overflow allowing remote attackers to execute arbitrary code without authentication via the goform/formLanguageChange currTime parameter."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto un problema en /bin/boa en dispositivos D-Link DIR-619L Rev.B 2.06B1 y DIR-605L Rev.B 2.12B1. Hay un desbordamiento de búfer basado en pila que permite que atacantes remotos ejecuten código arbitrario sin autenticación mediante el parámetro currTime en goform/formLanguageChange."
    }
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  "lastModified": "2026-06-17T01:52:13.497",
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