FKIE_CVE-2025-43892

Vulnerability from fkie_nvd - Published: 2026-07-14 16:16 - Updated: 2026-07-15 18:32
Severity
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
A buffer over-read vulnerability in Fortinet FortiOS 7.6.0 through 7.6.2, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 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.
References
psirt@fortinet.comhttps://fortiguard.fortinet.com/psirt/#5944Vendor Advisory
Impacted products
Vendor Product Version
fortinet fortiproxy *
fortinet fortiproxy *
fortinet fortiproxy *
fortinet fortios *
fortinet fortios *
fortinet fortios *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:o:fortinet:fortios:7.4.3:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.4.2:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.4.1:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.4.0:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.13:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.12:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.11:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.10:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.9:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.8:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.7:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.6:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.5:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.4:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.3:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.2:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.1:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.0:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.19:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.18:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.17:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.16:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.15:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.14:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.13:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.12:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.11:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.10:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.9:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.8:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.7:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.6:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.5:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.4:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.3:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.2:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.1:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.0:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "FortiOS",
          "vendor": "Fortinet",
          "versions": [
            {
              "lessThanOrEqual": "7.4.3",
              "status": "affected",
              "version": "7.4.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.13",
              "status": "affected",
              "version": "7.2.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.19",
              "status": "affected",
              "version": "7.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "psirt@fortinet.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "33FE9C6F-F5A1-43E4-917E-32497D6CC5A6",
              "versionEndIncluding": "7.2.15",
              "versionStartIncluding": "7.2.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "124559B6-EFA8-428D-B205-C0216B5FA1ED",
              "versionEndIncluding": "7.4.13",
              "versionStartIncluding": "7.4.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B9154BCC-5BD2-4453-AFCD-20ECD82341AD",
              "versionEndIncluding": "7.6.5",
              "versionStartIncluding": "7.6.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BEA4D8BF-96C4-49ED-8DB4-C17DAB050B14",
              "versionEndIncluding": "7.2.13",
              "versionStartIncluding": "7.2.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "ACF34737-DB9E-4E9D-80A1-6185BFFEB8D0",
              "versionEndIncluding": "7.4.8",
              "versionStartIncluding": "7.4.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4F98567C-A320-4AA1-947B-974567EB770C",
              "versionEndIncluding": "7.6.2",
              "versionStartIncluding": "7.6.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A buffer over-read vulnerability in Fortinet FortiOS 7.6.0 through 7.6.2, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 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."
    }
  ],
  "id": "CVE-2025-43892",
  "lastModified": "2026-07-15T18:32:03.083",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "psirt@fortinet.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-43892",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-14T15:57:30.990330Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-14T16:16:42.340",
  "references": [
    {
      "source": "psirt@fortinet.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://fortiguard.fortinet.com/psirt/#5944"
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-126"
        }
      ],
      "source": "psirt@fortinet.com",
      "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.

Sightings

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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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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