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FKIE_CVE-2017-18046

Vulnerability from fkie_nvd - Published: 2018-01-21 22:29 - Updated: 2026-06-17 01:12
Severity
9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Buffer overflow on Dasan GPON ONT WiFi Router H640X 12.02-01121 2.77p1-1124 and 3.03p2-1146 devices allows remote attackers to execute arbitrary code via a long POST request to the login_action function in /cgi-bin/login_action.cgi (aka cgipage.cgi).
References
cve@mitre.orghttps://blogs.securiteam.com/index.php/archives/3552Exploit, Third Party Advisory
cve@mitre.orghttps://pastebin.com/Yxd9S46A
cve@mitre.orghttps://twitter.com/ankit_anubhav/status/982261670394249216
af854a3a-2127-422b-91ae-364da2661108https://blogs.securiteam.com/index.php/archives/3552Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://pastebin.com/Yxd9S46A
af854a3a-2127-422b-91ae-364da2661108https://twitter.com/ankit_anubhav/status/982261670394249216
Impacted products
Vendor Product Version
dasannetworks h640x_firmware 2.77p1-1124
dasannetworks h640x_firmware 3.03p2-1146
dasannetworks h640x_firmware 12.02-01121
dasannetworks h640x -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:dasannetworks:h640x_firmware:2.77p1-1124:*:*:*:*:*:*:*",
              "matchCriteriaId": "CACD4F2D-9A70-4979-BEEF-94180B47BC3F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:dasannetworks:h640x_firmware:3.03p2-1146:*:*:*:*:*:*:*",
              "matchCriteriaId": "70991234-BDA1-4D38-8AD2-C65CEF9049AE",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:dasannetworks:h640x_firmware:12.02-01121:*:*:*:*:*:*:*",
              "matchCriteriaId": "3B0A1D5D-8733-46BC-9351-73F58A1779ED",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:dasannetworks:h640x:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "518FD01C-1169-4091-ABA9-5C843B7407E0",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow on Dasan GPON ONT WiFi Router H640X 12.02-01121 2.77p1-1124 and 3.03p2-1146 devices allows remote attackers to execute arbitrary code via a long POST request to the login_action function in /cgi-bin/login_action.cgi (aka cgipage.cgi)."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de b\u00fafer en dispositivos Dasan GPON ONT WiFi Router H640X 12.02-01121 2.77p1-1124 y 3.03p2-1146 permite que atacantes remotos ejecuten c\u00f3digo arbitrario mediante una petici\u00f3n POST larga en la funci\u00f3n login_action en /cgi-bin/login_action.cgi (tambi\u00e9n conocido como cgipage.cgi)."
    }
  ],
  "id": "CVE-2017-18046",
  "lastModified": "2026-06-17T01:12:06.083",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-01-21T22:29:00.290",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://blogs.securiteam.com/index.php/archives/3552"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://pastebin.com/Yxd9S46A"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://twitter.com/ankit_anubhav/status/982261670394249216"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://blogs.securiteam.com/index.php/archives/3552"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://pastebin.com/Yxd9S46A"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://twitter.com/ankit_anubhav/status/982261670394249216"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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