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FKIE_CVE-2025-1732

Vulnerability from fkie_nvd - Published: 2025-04-22 03:15 - Updated: 2026-06-17 08:39
Severity
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
An improper privilege management vulnerability in the recovery function of the Zyxel USG FLEX H series uOS firmware version V1.31 and earlier could allow an authenticated local attacker with administrator privileges to upload a crafted configuration file and escalate privileges on a vulnerable device.
References
security@zyxel.com.twhttps://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-incorrect-permission-assignment-and-improper-privilege-management-vulnerabilities-in-usg-flex-h-series-firewalls-04-22-2025Vendor Advisory
Impacted products
Vendor Product Version
zyxel uos 1.31
zyxel usg_flex_100h -
zyxel usg_flex_100hp -
zyxel usg_flex_200h -
zyxel usg_flex_200hp -
zyxel usg_flex_500h -
zyxel usg_flex_50h -
zyxel usg_flex_50hp -
zyxel usg_flex_700h -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "USG FLEX H series uOS firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c= V1.31"
            }
          ]
        }
      ],
      "source": "security@zyxel.com.tw"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:zyxel:uos:1.31:*:*:*:*:*:*:*",
              "matchCriteriaId": "51F4069E-611B-4A4E-883A-F51DE9FF7B9E",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:h:zyxel:usg_flex_100h:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "ED28D5ED-B21A-4CD6-947E-9C21EA801B7D",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:zyxel:usg_flex_100hp:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "ACCFC4B1-37DD-4BF7-86A9-5F0A9A2C1D07",
              "vulnerable": false
            },
            {
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              "matchCriteriaId": "09D15ECD-4942-407A-A62E-9785568C6B78",
              "vulnerable": false
            },
            {
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              "matchCriteriaId": "FD7E9028-1ECB-4D88-84D8-CFC589B429AE",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:zyxel:usg_flex_500h:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "DE57BCA4-8631-460A-BFE3-BB765E5D009F",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:zyxel:usg_flex_50h:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "875DC0B8-0189-4952-9FD8-00970F4C72F5",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:zyxel:usg_flex_50hp:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "F3697878-4927-4381-BA26-3FD9A08D7661",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:zyxel:usg_flex_700h:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "8832743A-99FA-417E-BCE1-4BF7D4CEF9BE",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An improper privilege management vulnerability in the recovery function of the Zyxel USG FLEX H series uOS firmware version V1.31 and earlier could allow an authenticated local attacker with administrator privileges to upload a crafted configuration file and escalate privileges on a vulnerable device."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de gesti\u00f3n de privilegios inadecuada en la funci\u00f3n de recuperaci\u00f3n de la versi\u00f3n de firmware uOS V1.31 y anteriores de la serie USG FLEX H podr\u00eda permitir que un atacante local autenticado con privilegios de administrador cargue un archivo de configuraci\u00f3n manipulado y escale privilegios en un dispositivo vulnerable."
    }
  ],
  "id": "CVE-2025-1732",
  "lastModified": "2026-06-17T08:39:40.913",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9,
        "source": "security@zyxel.com.tw",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-1732",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-04-23T03:56:06.880791Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-04-22T03:15:21.337",
  "references": [
    {
      "source": "security@zyxel.com.tw",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-incorrect-permission-assignment-and-improper-privilege-management-vulnerabilities-in-usg-flex-h-series-firewalls-04-22-2025"
    }
  ],
  "sourceIdentifier": "security@zyxel.com.tw",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ],
      "source": "security@zyxel.com.tw",
      "type": "Secondary"
    }
  ]
}



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