{
  "id": "CVE-2018-10561",
  "url": "https://spydr.io/cve/CVE-2018-10561",
  "published": "2018-05-04T03:29:00.227Z",
  "modified": "2026-06-17T01:34:10.200Z",
  "score": 9.8,
  "severity": "critical",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "score_source": "NVD",
  "epss": 0.92893,
  "epss_percentile": 0.9983,
  "exploited": true,
  "kev": {
    "added": "2022-03-31",
    "due": "2022-04-21",
    "action": "The impacted product is end-of-life and should be disconnected if still in use.",
    "ransomware": "Unknown",
    "name": "Dasan GPON Routers Authentication Bypass Vulnerability",
    "notes": "https://nvd.nist.gov/vuln/detail/CVE-2018-10561"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "dasannetworks"
  ],
  "products": [
    "dasannetworks gpon router firmware"
  ],
  "cwes": [
    "CWE-287"
  ],
  "description": "An issue was discovered on Dasan GPON home routers. It is possible to bypass authentication simply by appending \"?images\" to any URL of the device that requires authentication, as demonstrated by the /menu.html?images/ or /GponForm/diag_FORM?images/ URI. One can then manage the device.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 9.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/107053",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://www.exploit-db.com/exploits/44576/",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://www.vpnmentor.com/blog/critical-vulnerability-gpon-router/",
      "tags": [
        "Exploit",
        "Technical Description",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-10561",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2018-10561",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}