WID-SEC-W-2025-2346

Vulnerability from csaf_certbund - Published: 2025-10-20 22:00 - Updated: 2025-10-20 22:00
Summary
Zyxel Firewall: Mehrere Schwachstellen

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
Zyxel ist ein Hersteller von Netzwerkkomponenten, u.a. von Firewalls.
Angriff
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Zyxel Firewall ausnutzen, um beliebigen Programmcode auszuführen, vertrauliche Informationen offenzulegen und Daten zu manipulieren.
Betroffene Betriebssysteme
- Hardware Appliance - Sonstiges
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Zyxel ist ein Hersteller von Netzwerkkomponenten, u.a. von Firewalls.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Zyxel Firewall ausnutzen, um beliebigen Programmcode auszuf\u00fchren, vertrauliche Informationen offenzulegen und Daten zu manipulieren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Hardware Appliance\n- Sonstiges",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2025-2346 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-2346.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2025-2346 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-2346"
      },
      {
        "category": "external",
        "summary": "Zyxel Security Advisory vom 2025-10-20",
        "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-post-authentication-command-injection-and-missing-authorization-vulnerabilities-in-zld-firewalls-10-21-2025"
      }
    ],
    "source_lang": "en-US",
    "title": "Zyxel Firewall: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2025-10-20T22:00:00.000+00:00",
      "generator": {
        "date": "2025-10-21T10:18:27.544+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.4.0"
        }
      },
      "id": "WID-SEC-W-2025-2346",
      "initial_release_date": "2025-10-20T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2025-10-20T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "ATP \u003cZLD V5.41",
                "product": {
                  "name": "Zyxel Firewall ATP \u003cZLD V5.41",
                  "product_id": "T047865"
                }
              },
              {
                "category": "product_version",
                "name": "ATP ZLD V5.41",
                "product": {
                  "name": "Zyxel Firewall ATP ZLD V5.41",
                  "product_id": "T047865-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:zyxel:firewall:atp__zld_v5.41"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "USG FLEX \u003cZLD V5.41",
                "product": {
                  "name": "Zyxel Firewall USG FLEX \u003cZLD V5.41",
                  "product_id": "T047867"
                }
              },
              {
                "category": "product_version",
                "name": "USG FLEX ZLD V5.41",
                "product": {
                  "name": "Zyxel Firewall USG FLEX ZLD V5.41",
                  "product_id": "T047867-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:zyxel:firewall:usg_flex__zld_v5.41"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "USG FLEX 50(W) \u003cZLD V5.41",
                "product": {
                  "name": "Zyxel Firewall USG FLEX 50(W) \u003cZLD V5.41",
                  "product_id": "T047868"
                }
              },
              {
                "category": "product_version",
                "name": "USG FLEX 50(W) ZLD V5.41",
                "product": {
                  "name": "Zyxel Firewall USG FLEX 50(W) ZLD V5.41",
                  "product_id": "T047868-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:zyxel:firewall:usg_flex_50%2528w%2529__zld_v5.41"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "USG20(W)-VPN \u003cZLD V5.41",
                "product": {
                  "name": "Zyxel Firewall USG20(W)-VPN \u003cZLD V5.41",
                  "product_id": "T047870"
                }
              },
              {
                "category": "product_version",
                "name": "USG20(W)-VPN ZLD V5.41",
                "product": {
                  "name": "Zyxel Firewall USG20(W)-VPN ZLD V5.41",
                  "product_id": "T047870-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:zyxel:firewall:usg20%2528w%2529-vpn__zld_v5.41"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Firewall"
          }
        ],
        "category": "vendor",
        "name": "Zyxel"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-8078",
      "product_status": {
        "known_affected": [
          "T047867",
          "T047868",
          "T047865",
          "T047870"
        ]
      },
      "release_date": "2025-10-20T22:00:00.000+00:00",
      "title": "CVE-2025-8078"
    },
    {
      "cve": "CVE-2025-9133",
      "product_status": {
        "known_affected": [
          "T047867",
          "T047868",
          "T047865",
          "T047870"
        ]
      },
      "release_date": "2025-10-20T22:00:00.000+00:00",
      "title": "CVE-2025-9133"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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Detection rules are retrieved from Rulezet.