{
  "id": "CVE-2023-27989",
  "sourceIdentifier": "security@zyxel.com.tw",
  "published": "2023-06-05T12:15:09.360",
  "lastModified": "2024-11-21T07:53:53.053",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A buffer overflow vulnerability in the CGI program of the Zyxel NR7101 firmware versions prior to  V1.00(ABUV.8)C0 could allow a remote authenticated attacker to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "security@zyxel.com.tw",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      },
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "security@zyxel.com.tw",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ]
    },
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:zyxel:lte7480-m804_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.00\\(abra.6\\)c0",
              "matchCriteriaId": "C90AA436-A6F7-4F65-8EBA-39A98832D1FA"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:zyxel:lte7480-m804:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "E3480021-1538-48ED-BE89-BB0DF562C7DE"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:zyxel:lte7490-m904_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.00\\(abqy.5\\)c0",
              "matchCriteriaId": "993F8165-F285-4B51-95D5-FA2054C6CE8B"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:zyxel:lte7490-m904:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "DC75F6DE-DCAF-47A0-B6BB-0E050C68AF25"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:zyxel:nr7101_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.00\\(abuv.7\\)c0",
              "matchCriteriaId": "495C9DCB-885C-47EE-A1BA-14D431C6E5F9"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:zyxel:nr7101:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "E4D27B24-9822-432C-8B8B-9546EE32DEC6"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:zyxel:nebula_nr7101_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.15\\(accc.3\\)c0",
              "matchCriteriaId": "A052B9C6-8462-4D2B-9B03-9CC29EEB43D9"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:zyxel:nebula_nr7101:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "52096C1F-F73C-413E-9D37-82EFA4703AEC"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-buffer-overflow-vulnerability-in-4g-lte-and-5g-nr-outdoor-routers",
      "source": "security@zyxel.com.tw",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-buffer-overflow-vulnerability-in-4g-lte-and-5g-nr-outdoor-routers",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    }
  ]
}