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CVE-2021-46442

Estado: ModificadaCrítica (9.8)—

In the "webupg" binary of D-Link DIR-825 G1, attackers can bypass authentication through parameters "autoupgrade.asp", and perform functions such as downloading configuration files and updating firmware without authorization.

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 (1)

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-46442",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "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"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
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          "baseSeverity": "CRITICAL",
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          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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  "affected": [
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      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
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  "published": "2022-04-27T11:15:44.220",
  "references": [
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      "url": "https://github.com/tgp-top/D-Link-DIR-825",
      "tags": [
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        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the \"webupg\" binary of D-Link DIR-825 G1, attackers can bypass authentication through parameters \"autoupgrade.asp\", and perform functions such as downloading configuration files and updating firmware without authorization."
    },
    {
      "lang": "es",
      "value": "En el binario \"webupg\" del D-Link DIR-825 G1, los atacantes pueden omitir la autenticación mediante los parámetros \"autoupgrade.asp\", y llevar a cabo funciones como la descarga de archivos de configuración y la actualización del firmware sin autorización"
    }
  ],
  "lastModified": "2026-06-17T04:14:53.457",
  "configurations": [
    {
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  "sourceIdentifier": "cve@mitre.org"
}