{
  "crds_version": "0.1",
  "kind": "base",
  "id": "crds:cve-2025-6218",
  "revision": 1,
  "title": "WinRAR — archive path traversal writes outside the target folder",
  "summary": "WinRAR mishandles the paths stored inside an archive, so opening a crafted one writes a file somewhere the user never chose — a startup folder, for instance — and code then runs as that user.",
  "source_type": "cve",
  "severity": "high",
  "cvss": {
    "score": 7.8,
    "vector": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "version": "3.0"
  },
  "epss": 0.90479,
  "exploitation": {
    "known_exploited": true,
    "exploit_available": true,
    "attack_complexity": "low",
    "kev_added": "2025-12-09",
    "prerequisites": "The user must open a crafted archive, or visit a page that delivers one."
  },
  "remediation": {
    "patch_available": true
  },
  "kill_chain": "execution",
  "recommended_action": "Update WinRAR to the patched release now; a targeted campaign uses this, so treat archives from outside the organisation as something to open in isolation.",
  "confidence": "high",
  "provenance": [
    {
      "fields": [
        "cvss",
        "exploitation.attack_complexity",
        "exploitation.exploit_available",
        "references",
        "published_at"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2025-6218",
      "retrieved_at": "2026-09-24T08:51:39.744Z",
      "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": "2026-09-24T08:51:39.744Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "epss"
      ],
      "source": "https://api.first.org/data/v1/epss?cve=CVE-2025-6218",
      "retrieved_at": "2026-09-24T08:51:39.744Z",
      "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-2025-6218",
      "retrieved_at": "2026-09-24T08:51:39.744Z",
      "confidence": "high",
      "extractor": "claude-code"
    }
  ],
  "references": [
    {
      "type": "cve",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-6218",
      "label": "NVD record"
    },
    {
      "type": "cisa",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "label": "CISA Known Exploited Vulnerabilities catalog"
    },
    {
      "type": "exploit",
      "url": "https://foresiet.com/blog/apt-c-08-winrar-directory-traversal-exploit/"
    },
    {
      "type": "exploit",
      "url": "https://www.secpod.com/blog/archive-terror-dissecting-the-winrar-cve-2025-6218-exploit-apt-c-08s-stealth-move/"
    },
    {
      "type": "writeup",
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-25-409/"
    }
  ],
  "published_at": "2025-06-21T01:15:29.123Z",
  "issued_at": "2026-09-24T08:51:39.744Z",
  "tags": [
    "winrar",
    "archive",
    "path-traversal",
    "targeted-attack",
    "kev"
  ]
}