Vulnerability-Lookup

CVE-2025-9133 (GCVE-0-2025-9133)

Vulnerability from cvelistv5 – Published: 2025-10-21 01:57 – Updated: 2026-02-26 16:57

Summary

A missing authorization vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware versions from V4.16 through V5.40 could allow a semi-authenticated attacker—who has completed only the first stage of the two-factor authentication (2FA) process—to view and download the system configuration from an affected device.

Severity

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-10-22 03:55 UTC

CWE

CWE-862 - Missing Authorization

Assigner

Zyxel CNA under the mitre root

CNA scorecard C 67/100 over 15 records in the last 180 days details

References

1 reference

URL	Tags
https://www.zyxel.com/global/en/support/security-…	vendor-advisory

Impacted products

4 products

Vendor	Product	Version	CPE status
Zyxel	ATP series firmware	Affected: versions from V4.32 through V5.40	guessed
Zyxel	USG FLEX series firmware	Affected: versions from V4.50 through V5.40	guessed
Zyxel	USG FLEX 50(W) series firmware	Affected: versions from V4.16 through V5.40	guessed
Zyxel	USG20(W)-VPN series firmware	Affected: versions from V4.16 through V5.40	guessed

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-9133",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-22T03:55:28.021879Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-26T16:57:22.191Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "ATP series firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "versions from V4.32 through V5.40"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "USG FLEX series firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "versions from V4.50 through V5.40"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "USG FLEX 50(W) series firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "versions from V4.16 through V5.40"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "USG20(W)-VPN series firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "versions from V4.16 through V5.40"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "A missing authorization vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware versions from V4.16 through V5.40 could allow a semi-authenticated attacker\u2014who has completed only the first stage of the two-factor authentication (2FA) process\u2014to view and download the system configuration from an affected device."
            }
          ],
          "value": "A missing authorization vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware versions from V4.16 through V5.40 could allow a semi-authenticated attacker\u2014who has completed only the first stage of the two-factor authentication (2FA) process\u2014to view and download the system configuration from an affected device."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862 Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-21T01:57:20.265Z",
        "orgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
        "shortName": "Zyxel"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "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": {
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
    "assignerShortName": "Zyxel",
    "cveId": "CVE-2025-9133",
    "datePublished": "2025-10-21T01:57:20.265Z",
    "dateReserved": "2025-08-19T01:09:14.783Z",
    "dateUpdated": "2026-02-26T16:57:22.191Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-9133",
      "date": "2026-11-05",
      "epss": "0.0546",
      "percentile": "0.92773"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "ATP series firmware",
                "vendor": "Zyxel",
                "versions": [
                  {
                    "status": "affected",
                    "version": "versions from V4.32 through V5.40"
                  }
                ]
              },
              {
                "defaultStatus": "unaffected",
                "product": "USG FLEX series firmware",
                "vendor": "Zyxel",
                "versions": [
                  {
                    "status": "affected",
                    "version": "versions from V4.50 through V5.40"
                  }
                ]
              },
              {
                "defaultStatus": "unaffected",
                "product": "USG FLEX 50(W) series firmware",
                "vendor": "Zyxel",
                "versions": [
                  {
                    "status": "affected",
                    "version": "versions from V4.16 through V5.40"
                  }
                ]
              },
              {
                "defaultStatus": "unaffected",
                "product": "USG20(W)-VPN series firmware",
                "vendor": "Zyxel",
                "versions": [
                  {
                    "status": "affected",
                    "version": "versions from V4.16 through V5.40"
                  }
                ]
              }
            ],
            "source": "security@zyxel.com.tw"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "6A48C1EF-AAAE-49F7-874E-A87745096960",
                    "versionEndExcluding": "5.41",
                    "versionStartIncluding": "4.32",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:zyxel:atp100:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "7F7654A1-3806-41C7-82D4-46B0CD7EE53B",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:zyxel:atp100w:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "47398FD0-6C5E-4625-9EFD-DE08C9AB7DB2",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:zyxel:atp200:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "D68A36FF-8CAF-401C-9F18-94F3A2405CF4",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:zyxel:atp500:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "2818E8AC-FFEE-4DF9-BF3F-C75166C0E851",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:zyxel:atp700:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "0B41F437-855B-4490-8011-DF59887BE6D5",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:zyxel:atp800:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "66B99746-0589-46E6-9CBD-F38619AD97DC",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "D553EB25-CB12-4245-B522-3D4B75D5F221",
                    "versionEndExcluding": "5.41",
                    "versionStartIncluding": "4.50",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:zyxel:usg_flex_100:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "2B30A4C0-9928-46AD-9210-C25656FB43FB",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:zyxel:usg_flex_100ax:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "03036815-04AE-4E39-8310-DA19A32CFA48",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "D74ABA7E-AA78-4A13-A64E-C44021591B42",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:zyxel:usg_flex_200:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "F93B6A06-2951-46D2-A7E1-103D7318D612",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:zyxel:usg_flex_50:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "646C1F07-B553-47B0-953B-DC7DE7FD0F8B",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "92C697A5-D1D3-4FF0-9C43-D27B18181958",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:zyxel:usg_flex_50ax:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "84936549-57C8-4F5C-9DA3-829A2290BB75",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:zyxel:usg_flex_700:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "9D1396E3-731B-4D05-A3F8-F3ABB80D5C29",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "1822AD84-E658-48E7-A105-EEE6B3A2F914",
                    "versionEndExcluding": "5.41",
                    "versionStartIncluding": "4.16",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:zyxel:usg_20w-vpn:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "6D304892-0F94-484E-966F-326AFEDCE072",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:h:zyxel:usg_flex_50w:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "110A1CA4-0170-4834-8281-0A3E14FC5584",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "A missing authorization vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware versions from V4.16 through V5.40 could allow a semi-authenticated attacker\u2014who has completed only the first stage of the two-factor authentication (2FA) process\u2014to view and download the system configuration from an affected device."
          },
          {
            "lang": "es",
            "value": "Una vulnerabilidad por falta de autorizaci\u00f3n en las versiones de firmware de la serie Zyxel ATP desde la V4.32 hasta la V5.40, las versiones de firmware de la serie USG FLEX desde la V4.50 hasta la V5.40, las versiones de firmware de la serie USG FLEX 50(W) desde la V4.16 hasta la V5.40, y las versiones de firmware de la serie USG20(W)-VPN desde la V4.16 hasta la V5.40 podr\u00eda permitir a un atacante semi-autenticado -que ha completado solo la primera etapa del proceso de autenticaci\u00f3n de dos factores (2FA)- ver y descargar la configuraci\u00f3n del sistema de un dispositivo afectado."
          }
        ],
        "id": "CVE-2025-9133",
        "lastModified": "2026-10-18T21:10:00.120",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 8.1,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 5.2,
              "source": "security@zyxel.com.tw",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2025-9133",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-22T03:55:28.021879Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2025-10-21T03:15:36.563",
        "references": [
          {
            "source": "security@zyxel.com.tw",
            "tags": [
              "Vendor Advisory"
            ],
            "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"
          }
        ],
        "sourceIdentifier": "security@zyxel.com.tw",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-862"
              }
            ],
            "source": "security@zyxel.com.tw",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-03-27T08:16:37+00:00",
      "cve": "CVE-2025-9133",
      "id": "CVE-2025-9133",
      "initial_release_date": "2025-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2025-9133",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-9133.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2025-9133",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-10-22T03:55:28.021879Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-10-21T13:42:46.264Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "ATP series firmware",
              "vendor": "Zyxel",
              "versions": [
                {
                  "status": "affected",
                  "version": "versions from V4.32 through V5.40"
                }
              ]
            },
            {
              "defaultStatus": "unaffected",
              "product": "USG FLEX series firmware",
              "vendor": "Zyxel",
              "versions": [
                {
                  "status": "affected",
                  "version": "versions from V4.50 through V5.40"
                }
              ]
            },
            {
              "defaultStatus": "unaffected",
              "product": "USG FLEX 50(W) series firmware",
              "vendor": "Zyxel",
              "versions": [
                {
                  "status": "affected",
                  "version": "versions from V4.16 through V5.40"
                }
              ]
            },
            {
              "defaultStatus": "unaffected",
              "product": "USG20(W)-VPN series firmware",
              "vendor": "Zyxel",
              "versions": [
                {
                  "status": "affected",
                  "version": "versions from V4.16 through V5.40"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "A missing authorization vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware versions from V4.16 through V5.40 could allow a semi-authenticated attacker\u2014who has completed only the first stage of the two-factor authentication (2FA) process\u2014to view and download the system configuration from an affected device."
                }
              ],
              "value": "A missing authorization vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware versions from V4.16 through V5.40 could allow a semi-authenticated attacker\u2014who has completed only the first stage of the two-factor authentication (2FA) process\u2014to view and download the system configuration from an affected device."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 8.1,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-862",
                  "description": "CWE-862 Missing Authorization",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2025-10-21T01:57:20.265Z",
            "orgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
            "shortName": "Zyxel"
          },
          "references": [
            {
              "tags": [
                "vendor-advisory"
              ],
              "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": {
            "discovery": "UNKNOWN"
          },
          "x_generator": {
            "engine": "Vulnogram 0.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
        "assignerShortName": "Zyxel",
        "cveId": "CVE-2025-9133",
        "datePublished": "2025-10-21T01:57:20.265Z",
        "dateReserved": "2025-08-19T01:09:14.783Z",
        "dateUpdated": "2026-02-26T16:57:22.191Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

BDU:2025-15910 (CVE-2025-9133)

Vulnerability from fstec – Published: 2025-12-16 – Updated: 2025-12-16 – View on bdu.fstec.ru Fixed

Title

Уязвимость микропрограммного обеспечения сетевых устройств Zyxel ATP, USG FLEX и USG FLEX 50(W)/USG20(W)-VPN, связанная с отсутствием авторизации, позволяющая нарушителю оказать воздействие на конфиденциальность и целостность защищаемой информации

Summary

Уязвимость микропрограммного обеспечения сетевых устройств Zyxel ATP, USG FLEX и USG FLEX 50(W)/USG20(W)-VPN связана с отсутствием авторизации. Эксплуатация уязвимости может позволить нарушителю, действующему удалённо, оказать воздействие на конфиденциальность и целостность защищаемой информации

Severity

8.5 (High) CVSS 2.0


                      
                        AV:N/AC:L/Au:S/C:C/I:C/A:N

8.1 (High) CVSS 3.1


                      
                        CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Authorization bypass

Incidents

Being clarified

Remediation

Software update

CWE

CWE-862 - Отсутствие авторизации

Aliases

CVE-2025-9133

References

1 reference

URL
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advi…

Impacted products

4 products from 1 vendor

Vendors

Zyxel Communications Corp.

Products

ATP, USG FLEX, USG FLEX 50(W), USG USG20(W)-VPN

Versions

от 4.32 до 5.40 включительно (ATP), от 4.50 до 5.40 включительно (USG FLEX), от 4.16 до 5.40 включительно (USG FLEX 50(W)), от 4.16 до 5.40 включительно (USG USG20(W)-VPN)

Product types

Network appliance software

Mitigations

Использование рекомендаций: 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

JSON

To clipboard

{
  "CVSS 2.0": "AV:N/AC:L/Au:S/C:C/I:C/A:N",
  "CVSS 3.0": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "Zyxel Communications Corp.",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "\u043e\u0442 4.32 \u0434\u043e 5.40 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (ATP), \u043e\u0442 4.50 \u0434\u043e 5.40 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (USG FLEX), \u043e\u0442 4.16 \u0434\u043e 5.40 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (USG FLEX 50(W)), \u043e\u0442 4.16 \u0434\u043e 5.40 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (USG USG20(W)-VPN)",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439:\nhttps://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",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "20.10.2025",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "16.12.2025",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "16.12.2025",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2025-15910",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2025-9133",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "ATP, USG FLEX, USG FLEX 50(W), USG USG20(W)-VPN",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": null,
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043c\u0438\u043a\u0440\u043e\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 Zyxel ATP, USG FLEX \u0438 USG FLEX 50(W)/USG20(W)-VPN, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u0430\u044f \u0441 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435\u043c \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0438\u0438, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043e\u043a\u0430\u0437\u0430\u0442\u044c \u0432\u043e\u0437\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0435 \u043d\u0430 \u043a\u043e\u043d\u0444\u0438\u0434\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0438 \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u044c \u0437\u0430\u0449\u0438\u0449\u0430\u0435\u043c\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u041e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435 \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0438\u0438 (CWE-862)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043c\u0438\u043a\u0440\u043e\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 Zyxel ATP, USG FLEX \u0438 USG FLEX 50(W)/USG20(W)-VPN \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435\u043c \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0438\u0438. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e, \u043e\u043a\u0430\u0437\u0430\u0442\u044c \u0432\u043e\u0437\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0435 \u043d\u0430 \u043a\u043e\u043d\u0444\u0438\u0434\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0438 \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u044c \u0437\u0430\u0449\u0438\u0449\u0430\u0435\u043c\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041d\u0430\u0440\u0443\u0448\u0435\u043d\u0438\u0435 \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0438\u0438",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "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",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041f\u041e \u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e-\u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0433\u043e \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-862",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 8,5)\n\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.1 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 8,1)"
}

FKIE_CVE-2025-9133

Vulnerability from fkie_nvd - Published: 2025-10-21 03:15 - Updated: 2026-10-18 21:10

Severity

8.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Summary

References

	URL	Tags
	security@zyxel.com.tw	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	Vendor Advisory

Impacted products

Vendor	Product	Version
zyxel	zld	*
zyxel	atp100	-
zyxel	atp100w	-
zyxel	atp200	-
zyxel	atp500	-
zyxel	atp700	-
zyxel	atp800	-
zyxel	zld	*
zyxel	usg_flex_100	-
zyxel	usg_flex_100ax	-
zyxel	usg_flex_100w	-
zyxel	usg_flex_200	-
zyxel	usg_flex_50	-
zyxel	usg_flex_500	-
zyxel	usg_flex_50ax	-
zyxel	usg_flex_700	-
zyxel	zld	*
zyxel	usg_20w-vpn	*
zyxel	usg_flex_50w	-

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "ATP series firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "versions from V4.32 through V5.40"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "USG FLEX series firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "versions from V4.50 through V5.40"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "USG FLEX 50(W) series firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "versions from V4.16 through V5.40"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "USG20(W)-VPN series firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "versions from V4.16 through V5.40"
            }
          ]
        }
      ],
      "source": "security@zyxel.com.tw"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6A48C1EF-AAAE-49F7-874E-A87745096960",
              "versionEndExcluding": "5.41",
              "versionStartIncluding": "4.32",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:zyxel:atp100:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "7F7654A1-3806-41C7-82D4-46B0CD7EE53B",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:zyxel:atp100w:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "47398FD0-6C5E-4625-9EFD-DE08C9AB7DB2",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:zyxel:atp200:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "D68A36FF-8CAF-401C-9F18-94F3A2405CF4",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:zyxel:atp500:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "2818E8AC-FFEE-4DF9-BF3F-C75166C0E851",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:zyxel:atp700:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "0B41F437-855B-4490-8011-DF59887BE6D5",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:zyxel:atp800:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "66B99746-0589-46E6-9CBD-F38619AD97DC",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D553EB25-CB12-4245-B522-3D4B75D5F221",
              "versionEndExcluding": "5.41",
              "versionStartIncluding": "4.50",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:zyxel:usg_flex_100:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "2B30A4C0-9928-46AD-9210-C25656FB43FB",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:zyxel:usg_flex_100ax:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "03036815-04AE-4E39-8310-DA19A32CFA48",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "D74ABA7E-AA78-4A13-A64E-C44021591B42",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:zyxel:usg_flex_200:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "F93B6A06-2951-46D2-A7E1-103D7318D612",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:zyxel:usg_flex_50:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "646C1F07-B553-47B0-953B-DC7DE7FD0F8B",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "92C697A5-D1D3-4FF0-9C43-D27B18181958",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:zyxel:usg_flex_50ax:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "84936549-57C8-4F5C-9DA3-829A2290BB75",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:zyxel:usg_flex_700:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "9D1396E3-731B-4D05-A3F8-F3ABB80D5C29",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1822AD84-E658-48E7-A105-EEE6B3A2F914",
              "versionEndExcluding": "5.41",
              "versionStartIncluding": "4.16",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:zyxel:usg_20w-vpn:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6D304892-0F94-484E-966F-326AFEDCE072",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:zyxel:usg_flex_50w:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "110A1CA4-0170-4834-8281-0A3E14FC5584",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A missing authorization vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware versions from V4.16 through V5.40 could allow a semi-authenticated attacker\u2014who has completed only the first stage of the two-factor authentication (2FA) process\u2014to view and download the system configuration from an affected device."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad por falta de autorizaci\u00f3n en las versiones de firmware de la serie Zyxel ATP desde la V4.32 hasta la V5.40, las versiones de firmware de la serie USG FLEX desde la V4.50 hasta la V5.40, las versiones de firmware de la serie USG FLEX 50(W) desde la V4.16 hasta la V5.40, y las versiones de firmware de la serie USG20(W)-VPN desde la V4.16 hasta la V5.40 podr\u00eda permitir a un atacante semi-autenticado -que ha completado solo la primera etapa del proceso de autenticaci\u00f3n de dos factores (2FA)- ver y descargar la configuraci\u00f3n del sistema de un dispositivo afectado."
    }
  ],
  "id": "CVE-2025-9133",
  "lastModified": "2026-10-18T21:10:00.120",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.2,
        "source": "security@zyxel.com.tw",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-9133",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-10-22T03:55:28.021879Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-10-21T03:15:36.563",
  "references": [
    {
      "source": "security@zyxel.com.tw",
      "tags": [
        "Vendor Advisory"
      ],
      "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"
    }
  ],
  "sourceIdentifier": "security@zyxel.com.tw",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ],
      "source": "security@zyxel.com.tw",
      "type": "Secondary"
    }
  ]
}

GHSA-X59X-QC82-4W4P

Vulnerability from github – Published: 2025-10-21 03:30 – Updated: 2025-10-21 03:30

Details

Severity

8.1 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-9133"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-21T03:15:36Z",
    "severity": "HIGH"
  },
  "details": "A missing authorization vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware versions from V4.16 through V5.40 could allow a semi-authenticated attacker\u2014who has completed only the first stage of the two-factor authentication (2FA) process\u2014to view and download the system configuration from an affected device.",
  "id": "GHSA-x59x-qc82-4w4p",
  "modified": "2025-10-21T03:30:18Z",
  "published": "2025-10-21T03:30:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-9133"
    },
    {
      "type": "WEB",
      "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"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

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

Severity

Hoch

Scope

2 vulnerabilities in this advisory, including CVE-2025-9133.

CVE-2025-9133

Known affected: 4 products

Open the full advisory

Sightings

Author	Source	Type	Date	Other

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.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

Publication & reservation Sightings KEV catalogs Other timestamps

Loading timeline…

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2025-9133 (GCVE-0-2025-9133)

BDU:2025-15910 (CVE-2025-9133)

FKIE_CVE-2025-9133

GHSA-X59X-QC82-4W4P

WID-SEC-W-2025-2346

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour