{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "Default"
          ],
          "product": "Fireware OS",
          "vendor": "WatchGuard",
          "versions": [
            {
              "lessThan": "2026.4",
              "status": "affected",
              "version": "2025.1",
              "versionType": "custom"
            },
            {
              "lessThan": "12.12.4",
              "status": "affected",
              "version": "12.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "T15/T35"
          ],
          "product": "Fireware OS",
          "vendor": "WatchGuard",
          "versions": [
            {
              "lessThan": "12.5.22",
              "status": "affected",
              "version": "12.0",
              "versionType": "custom"
            }
          ]
        }
      ],
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        {
          "nodes": [
            {
              "cpeMatch": [
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                  "versionEndExcluding": "12.5.22",
                  "versionStartIncluding": "12.0",
                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "2026.4",
                  "versionStartIncluding": "2025.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "12.12.4",
                  "versionStartIncluding": "12.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "OR"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "WatchGuard AI Security Research"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An external control of file path vulnerability in a WatchGuard Fireware OS firewall diagnostic command allows a remote, authenticated attacker with at least read-only (Device Monitor) privileges and access to the management CLI to create, truncate, or overwrite arbitrary files and modify kernel parameters with root privileges by submitting a specially crafted command. Written content is limited to numeric values."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "WatchGuard is not aware of any exploitation of this vulnerability in the wild."
            }
          ],
          "value": "WatchGuard is not aware of any exploitation of this vulnerability in the wild."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-59",
              "description": "CWE-59",
              "lang": "en",
              "type": "CWE"
            },
            {
              "cweId": "CWE-73",
              "description": "CWE-73",
              "lang": "en",
              "type": "CWE"
            },
            {
              "cweId": "CWE-732",
              "description": "CWE-732",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-27T15:52:28.267Z",
        "orgId": "5d1c2695-1a31-4499-88ae-e847036fd7e3",
        "shortName": "WatchGuard"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://psirt.watchguard.com/CVE-2026-90464"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Fireware OS 2026.4, Fireware OS 12.12.4, Fireware OS 12.5.22"
            }
          ],
          "value": "Fireware OS 2026.4, Fireware OS 12.12.4, Fireware OS 12.5.22"
        }
      ],
      "title": "Fireware OS Missing Command Validation allows Authenticated Arbitrary File Modification as Root"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "5d1c2695-1a31-4499-88ae-e847036fd7e3",
    "assignerShortName": "WatchGuard",
    "cveId": "CVE-2026-90464",
    "datePublished": "2026-10-27T15:52:28.267Z",
    "dateReserved": "2026-09-11T22:55:27.707Z",
    "dateUpdated": "2026-10-27T15:52:28.267Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}