CVE-2026-43839

{
  "etk_id": "ETK-2026-2143",
  "cve_id": "CVE-2026-43839",
  "display_id": "CVE-2026-43839",
  "ghsa_id": "GHSA-rxhx-6j58-2rw4",
  "euvd_id": "EUVD-2026-104839",
  "status": "published",
  "anchor_state": "anchored",
  "title": "NULL pointer dereference in ADAM-3600 logs management",
  "summary": "Advantech ADAM-3600 is affected by a NULL pointer dereference in logs-management functionality. An unauthenticated attacker may cause the affected service to crash, resulting in denial of service; access to the exposed logs-management functionality is the stated precondition.",
  "mitigation": "Restrict unauthenticated network access to the device and its logs-management functionality using network segmentation or access controls. Monitor Advantech's advisory ACIRT-261001 for a supported update; no fixed version is recorded in the available evidence.",
  "vendor": "Advantech",
  "product": "ADAM-3600",
  "affected": [
    {
      "affected_notes": [
        "prior to version 2.8.5.0"
      ],
      "affected_ranges": [],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "ADAM-3600",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 8.7,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
  "epss_score": 0.0027,
  "epss_percentile": 0.1864,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 41.265137933333335,
  "t0_at": "2026-10-20T08:24:51.155000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-20T08:24:51.155000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-20T08:24:51.155000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-43839"
    }
  }
}