NCSC-2025-0296

Vulnerability from csaf_ncscnl - Published: 2025-09-19 13:31 - Updated: 2025-10-17 08:19
Summary
Kwetsbaarheid verholpen in WatchGuard Fireware OS
Notes
The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this page to enhance access to its information and security advisories. The use of this security advisory is subject to the following terms and conditions: NCSC-NL makes every reasonable effort to ensure that the content of this page is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or continuous keeping up-to-date. The information contained in this security advisory is intended solely for the purpose of providing general information to professional users. No rights can be derived from the information provided therein. NCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of this security advisory. This includes damage resulting from the inaccuracy of incompleteness of the information contained in the advisory. This security advisory is subject to Dutch law. All disputes related to or arising from the use of this advisory will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings.
Feiten: Onderzoekers hebben data gepubliceerd over waar de kwetsbaarheid zich zeer waarschijnlijk bevind, het is de verwachting dat naar aanleiding van deze publicatie er op korte termijn Proof of Concept code beschikbaar komt, waarmee uitbuiting van de kwetsbaarheid zeer waarschijnlijk wordt.
Interpretaties: De kwetsbaarheid bevindt zich in de manier waarop Fireware OS omgaat met Out-of-bounds Write. Dit stelt een kwaadwillende, ongeauthenticeerde aanvaller in staat om willekeurige code uit te voeren. Dit kan leiden tot ernstige gevolgen voor de getroffen systemen met specifieke VPN-configuraties.
Oplossingen: WatchGuard heeft updates uitgebracht om de kwetsbaarheid te verhelpen. Voor bepaalde situaties waarin updaten niet direct mogelijk is heeft WatchGuard mitigerende maatregelen beschikbaar gesteld. Zie bijgevoegde referenties voor meer informatie.
Kans: medium
Schade: high
CWE-787: Out-of-bounds Write
CVE-2025-9242

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may enable remote unauthenticated attackers to execute arbitrary code, impacting specific VPN configurations across various software versions.

CWE-787 - Out-of-bounds Write
Affected products
Product Identifier Version Remediation
vers:unknown/*
WatchGuard / Firebox
 vers:unknown/*
vers:unknown/*
WatchGuard / Fireware OS
 vers:unknown/*
References
To clipboard 

{
  "document": {
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE"
      }
    },
    "lang": "nl",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this page to enhance access to its information and security advisories. The use of this security advisory is subject to the following terms and conditions:\n\n    NCSC-NL makes every reasonable effort to ensure that the content of this page is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or continuous keeping up-to-date. The information contained in this security advisory is intended solely for the purpose of providing general information to professional users. No rights can be derived from the information provided therein.\n\n    NCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of this security advisory. This includes damage resulting from the inaccuracy of incompleteness of the information contained in the advisory.\n    This security advisory is subject to Dutch law. All disputes related to or arising from the use of this advisory will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings."
      },
      {
        "category": "description",
        "text": "Onderzoekers hebben data gepubliceerd over waar de kwetsbaarheid zich zeer waarschijnlijk bevind, het is de verwachting dat naar aanleiding van deze publicatie er op korte termijn Proof of Concept code beschikbaar komt, waarmee uitbuiting van de kwetsbaarheid zeer waarschijnlijk wordt.",
        "title": "Feiten"
      },
      {
        "category": "description",
        "text": "De kwetsbaarheid bevindt zich in de manier waarop Fireware OS omgaat met Out-of-bounds Write. Dit stelt een kwaadwillende, ongeauthenticeerde aanvaller in staat om willekeurige code uit te voeren. Dit kan leiden tot ernstige gevolgen voor de getroffen systemen met specifieke VPN-configuraties.",
        "title": "Interpretaties"
      },
      {
        "category": "description",
        "text": "WatchGuard heeft updates uitgebracht om de kwetsbaarheid te verhelpen. Voor bepaalde situaties waarin updaten niet direct mogelijk is heeft WatchGuard mitigerende maatregelen beschikbaar gesteld. Zie bijgevoegde referenties voor meer informatie.",
        "title": "Oplossingen"
      },
      {
        "category": "general",
        "text": "medium",
        "title": "Kans"
      },
      {
        "category": "general",
        "text": "high",
        "title": "Schade"
      },
      {
        "category": "general",
        "text": "Out-of-bounds Write",
        "title": "CWE-787"
      }
    ],
    "publisher": {
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      "contact_details": "cert@ncsc.nl",
      "name": "Nationaal Cyber Security Centrum",
      "namespace": "https://www.ncsc.nl/"
    },
    "references": [
      {
        "category": "external",
        "summary": "Reference",
        "url": "https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00015"
      }
    ],
    "title": "Kwetsbaarheid verholpen in WatchGuard Fireware OS",
    "tracking": {
      "current_release_date": "2025-10-17T08:19:28.145953Z",
      "generator": {
        "date": "2025-08-04T16:30:00Z",
        "engine": {
          "name": "V.A.",
          "version": "1.3"
        }
      },
      "id": "NCSC-2025-0296",
      "initial_release_date": "2025-09-19T13:31:26.392203Z",
      "revision_history": [
        {
          "date": "2025-09-19T13:31:26.392203Z",
          "number": "1.0.0",
          "summary": "Initiele versie"
        },
        {
          "date": "2025-10-17T08:19:28.145953Z",
          "number": "1.0.1",
          "summary": "Update naar aanleiding van onderzoek van CVE-2025-9242"
        }
      ],
      "status": "final",
      "version": "1.0.1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:unknown/*",
                "product": {
                  "name": "vers:unknown/*",
                  "product_id": "CSAFPID-1"
                }
              }
            ],
            "category": "product_name",
            "name": "Firebox"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:unknown/*",
                "product": {
                  "name": "vers:unknown/*",
                  "product_id": "CSAFPID-2"
                }
              }
            ],
            "category": "product_name",
            "name": "Fireware OS"
          }
        ],
        "category": "vendor",
        "name": "WatchGuard"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-9242",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "notes": [
        {
          "category": "other",
          "text": "Out-of-bounds Write",
          "title": "CWE-787"
        },
        {
          "category": "description",
          "text": "An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may enable remote unauthenticated attackers to execute arbitrary code, impacting specific VPN configurations across various software versions.",
          "title": "Summary"
        },
        {
          "category": "general",
          "text": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
          "title": "CVSSV4"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1",
          "CSAFPID-2"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-9242 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2025/cve-2025-9242.json"
        }
      ],
      "title": "CVE-2025-9242"
    }
  ]
}



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