{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2023-6398",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-6398",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2024-02-20T01:34:32.229Z",
    "updatedAt": "2024-08-25T15:46:49.897Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": null,
      "summary": "A post-authentication command injection vulnerability in the file upload binary in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50(W) series firmware versions from 4.16 through 5.37 Patch 1, USG20(W)-VPN series firmware versions from 4.16 through 5.37 Patch 1, \n\nUSG FLEX H series firmware versions from 1.10 through 1.10 Patch 1,\n\nNWA50AX firmware versions through 6.29(ABYW.3), WAC500 firmware versions through 6.65(ABVS.1), WAX300H firmware versions through 6.60(ACHF.1), and WBE660S firmware versions through 6.65(ACGG.1) could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands on an affected device via FTP.",
      "affected": [
        {
          "vendor": "Zyxel",
          "product": "ATP series firmware",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "version 4.32 through 5.37 Patch 1",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Zyxel",
          "product": "USG FLEX series firmware",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "version 4.50 through 5.37 Patch 1",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Zyxel",
          "product": "USG FLEX 50(W) series firmware",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": " version 4.16 through 5.37 Patch 1",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Zyxel",
          "product": "USG20(W)-VPN series firmware",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "version 4.16 through 5.37 Patch 1",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Zyxel",
          "product": " NWA50AX firmware",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "< 6.29(ABYW.4)",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Zyxel",
          "product": " WAC500 firmware",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "< 6.70(ABVS.1)",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Zyxel",
          "product": "WAX300H firmware",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "< 6.70(ACHF.1)",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Zyxel",
          "product": "WBE660S firmware",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "< 6.70(ACGG.1)",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Zyxel",
          "product": "USG FLEX H series firmware",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "version 1.10 through 1.10 Patch 1",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}