CVE-2026-39453

{
  "etk_id": "ETK-2026-1128",
  "cve_id": "CVE-2026-39453",
  "display_id": "CVE-2026-39453",
  "ghsa_id": "GHSA-jp3p-vmv4-q5ff",
  "euvd_id": "EUVD-2026-95814",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Web interface denial of service in Red Lion 700 Series",
  "summary": "Red Lion Controls 700 Series switches have a web interface flaw that can cause a device restart. An attacker who can access the switch web server could repeat the triggering request to disrupt switch availability.",
  "mitigation": "Upgrade Series to Firmware Versions 3.11.0, Bootloader Versions 2.0.6.1 or later.",
  "vendor": "Red Lion Controls",
  "product": "700 Series",
  "affected": [
    {
      "affected_notes": [
        ">= 0, < Firmware Versions 3.11.0",
        ">= 0, < Bootloader Versions 2.0.6.1"
      ],
      "affected_ranges": [],
      "ecosystem": null,
      "fixed_versions": [
        "Firmware Versions 3.11.0",
        "Bootloader Versions 2.0.6.1"
      ],
      "package_name": "700 Series",
      "purl": null
    }
  ],
  "cwes": [
    617
  ],
  "cvss_score": 8.5,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H",
  "epss_score": 0.0029,
  "epss_percentile": 0.2023,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 22.8436823,
  "t0_at": "2026-10-09T14:42:18.998000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-09T14:42:18.998000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-09T14:42:18.998000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-39453"
    }
  }
}