{
  "crds_version": "0.1",
  "kind": "base",
  "id": "crds:cve-2026-76418",
  "revision": 1,
  "title": "Cisco Secure Firewall ASA and FTD — Remote Access Crash",
  "summary": "A logic error in the remote access virtual private network (VPN) service of Cisco Secure Firewall Adaptive Security Appliance (ASA) and Firewall Threat Defense (FTD) software lets an unauthenticated attacker force a device reload, causing a denial of service.",
  "source_type": "cve",
  "severity": "high",
  "cvss": {
    "score": 8.6,
    "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
    "version": "3.1"
  },
  "epss": 0.00821,
  "exploitation": {
    "known_exploited": true,
    "exploit_available": false,
    "attack_complexity": "low",
    "kev_added": "2026-10-29",
    "kev_due": "2026-11-01",
    "prerequisites": "Network access to the remote access service on a device with secondary authentication configured on a tunnel group."
  },
  "kill_chain": "impact",
  "recommended_action": "Apply the guidance in Cisco advisory cisco-sa-asaftd-tunnel-dos-s6mgkb75 to every affected firewall.",
  "confidence": "high",
  "provenance": [
    {
      "fields": [
        "cvss",
        "exploitation.attack_complexity",
        "exploitation.exploit_available",
        "published_at",
        "references"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2026-76418",
      "retrieved_at": "2026-11-05T07:48:47.009Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "exploitation.known_exploited",
        "exploitation.kev_added",
        "exploitation.kev_due"
      ],
      "source": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "retrieved_at": "2026-11-05T07:48:47.009Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "epss"
      ],
      "source": "https://api.first.org/data/v1/epss?cve=CVE-2026-76418",
      "retrieved_at": "2026-11-05T07:48:47.009Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "title",
        "subtitle",
        "summary",
        "severity",
        "remediation",
        "mitre_attack",
        "kill_chain",
        "recommended_action",
        "confidence",
        "tags",
        "exploitation.prerequisites"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2026-76418",
      "retrieved_at": "2026-11-05T07:48:47.009Z",
      "confidence": "high",
      "extractor": "claude-code"
    }
  ],
  "references": [
    {
      "type": "cve",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-76418",
      "label": "NVD record"
    },
    {
      "type": "cisa",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "label": "CISA Known Exploited Vulnerabilities catalog"
    },
    {
      "type": "vendor_advisory",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-tunnel-dos-s6mgkb75"
    }
  ],
  "published_at": "2026-10-28T20:18:47.063Z",
  "issued_at": "2026-11-05T07:48:47.009Z",
  "tags": [
    "cisco",
    "firewall",
    "denial-of-service"
  ]
}