{
  "crds_version": "0.1",
  "kind": "base",
  "id": "crds:cve-2017-6884",
  "revision": 1,
  "title": "Zyxel router — the lookup tool wired to a shell",
  "summary": "The diagnostic page on this home router (Zyxel EMG2926) passes its lookup parameter to a shell, so a user of the web interface executes commands on the device. Exploit code is public and the affected firmware is long out of support.",
  "source_type": "cve",
  "severity": "high",
  "cvss": {
    "score": 8.8,
    "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "version": "3.1"
  },
  "epss": 0.34367,
  "exploitation": {
    "known_exploited": true,
    "exploit_available": true,
    "attack_complexity": "low",
    "kev_added": "2023-09-18",
    "prerequisites": "Access to the router's web interface."
  },
  "remediation": {
    "patch_available": false
  },
  "mitre_attack": [
    "T1059"
  ],
  "kill_chain": "execution",
  "recommended_action": "Replace the router. The affected firmware is the one the model shipped with, the product is out of support, and no fix is coming for it.",
  "confidence": "high",
  "provenance": [
    {
      "fields": [
        "cvss",
        "exploitation.attack_complexity",
        "exploitation.exploit_available",
        "references",
        "published_at"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2017-6884",
      "retrieved_at": "2026-09-24T12:52:19.575Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "exploitation.known_exploited",
        "exploitation.kev_added"
      ],
      "source": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "retrieved_at": "2026-09-24T12:52:19.575Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "epss"
      ],
      "source": "https://api.first.org/data/v1/epss?cve=CVE-2017-6884",
      "retrieved_at": "2026-09-24T12:52:19.575Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "title",
        "summary",
        "severity",
        "remediation",
        "mitre_attack",
        "kill_chain",
        "recommended_action",
        "confidence",
        "tags",
        "exploitation.prerequisites"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2017-6884",
      "retrieved_at": "2026-09-24T12:52:19.575Z",
      "confidence": "high",
      "extractor": "claude-code"
    }
  ],
  "references": [
    {
      "type": "cve",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-6884",
      "label": "NVD record"
    },
    {
      "type": "cisa",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "label": "CISA Known Exploited Vulnerabilities catalog"
    },
    {
      "type": "exploit",
      "url": "https://www.exploit-db.com/exploits/41782/"
    }
  ],
  "published_at": "2017-04-06T17:59:00.163Z",
  "issued_at": "2026-09-24T12:52:19.575Z",
  "tags": [
    "zyxel",
    "router",
    "command-injection",
    "soho",
    "end-of-life",
    "kev"
  ]
}