CVE-2026-82308

{
  "etk_id": "ETK-2026-3753",
  "cve_id": "CVE-2026-82308",
  "display_id": "CVE-2026-82308",
  "ghsa_id": "GHSA-8vr9-rvvv-3p2m",
  "euvd_id": "EUVD-2026-118423",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Pre-authentication heap buffer overflow in SonicOS SSL-VPN",
  "summary": "SonicOS SSL-VPN contains a heap-based buffer overflow reachable before authentication. A remote unauthenticated attacker may be able to disrupt the SSL-VPN service when it is reachable over the network.",
  "mitigation": "Upgrade Gen-7 appliances to SonicOS 7.3.4-7013 or later. Confirm the vendor-supported fixed release for any other SonicOS release train and restrict SSL-VPN network exposure until it is updated.",
  "vendor": "SonicWall",
  "product": "SonicOS",
  "affected": [
    {
      "affected_notes": [
        "7.3.3-7015 and older versions",
        "8.2.2-8015 and older versions"
      ],
      "affected_ranges": [],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "SonicOS",
      "purl": null
    }
  ],
  "cwes": [
    122
  ],
  "cvss_score": 7.5,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 7.37538595,
  "t0_at": "2026-11-06T18:54:26.933000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-06T18:54:26.933000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-06T18:54:26.933000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-82308"
    }
  }
}