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CVE-2025-43892

Estado: ModificadaMedia (4.3)—

A buffer over-read vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions may allow an authenticated remote attacker to return a portion of device memory in the redirect response via submitting a specially crafted request.

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)

Fortinet — FortiosFortinet — Fortiproxy

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2025-43892",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2025-43892",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-07-14T15:57:30.990330Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "source": "psirt@fortinet.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@fortinet.com",
      "affectedData": [
        {
          "cpes": [
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          "vendor": "Fortinet",
          "product": "FortiOS",
          "versions": [
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              "status": "affected",
              "version": "7.4.0",
              "versionType": "semver",
              "lessThanOrEqual": "7.4.3"
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              "version": "7.2.0",
              "versionType": "semver",
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      "affectedData": [
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          "product": "RUGGEDCOM APE1808",
          "versions": [
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              "version": "0",
              "lessThan": "*",
              "versionType": "custom"
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          "defaultStatus": "unknown"
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  "published": "2026-07-14T16:16:42.340",
  "references": [
    {
      "url": "https://fortiguard.fortinet.com/psirt/#5944",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@fortinet.com"
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-864900.html",
      "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@fortinet.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-126"
        }
      ]
    }
  ],
  "descriptions": [
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      "value": "A buffer over-read vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions may allow an authenticated remote attacker to return a portion of device memory in the redirect response via submitting a specially crafted request."
    },
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      "lang": "es",
      "value": "Una vulnerabilidad de lectura excesiva de búfer en Fortinet FortiOS 7.6.0 hasta 7.6.3, FortiOS 7.4.0 hasta 7.4.8, FortiOS 7.2 todas las versiones, FortiOS 7.0 todas las versiones, FortiOS 6.4 todas las versiones puede permitir a un atacante remoto autenticado devolver una porción de la memoria del dispositivo en la respuesta de redirección mediante el envío de una solicitud especialmente diseñada."
    }
  ],
  "lastModified": "2026-09-29T14:10:00.117",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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}