CVE-2026-111853

{
  "etk_id": "ETK-2026-1832",
  "cve_id": "CVE-2026-111853",
  "display_id": "CVE-2026-111853",
  "ghsa_id": "GHSA-r8hj-gr47-x24w",
  "euvd_id": "EUVD-2026-103206",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Operating system command injection in Tektronix 3 Series MDO",
  "summary": "Tektronix 3 Series MDO devices running versions earlier than 1.21.1 are affected by command injection in a SCPI command handler. An attacker with the required access to the SCPI interface could execute operating-system commands with elevated privileges.",
  "mitigation": "Upgrade affected 3 Series MDO devices to version 1.21.1. Restrict access to SCPI services to trusted, authorized users until upgrades are complete.",
  "vendor": "Tektronix",
  "product": "3 Series MDO",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 1.21.1"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "1.21.1"
      ],
      "package_name": "3 Series MDO",
      "purl": null
    }
  ],
  "cwes": [
    78
  ],
  "cvss_score": 8.8,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss_score": 0.0086,
  "epss_percentile": 0.5777,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": true,
  "check_confidence_basis": "assessed",
  "exploit": false,
  "pipeline_minutes": 9.807987666666667,
  "t0_at": "2026-10-17T02:08:13.787000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-19T05:25:20.205002+00:00",
      "days": 2.136879837986111,
      "is_lower_bound": false,
      "measured_at": "2026-10-17T02:08:13.787000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-17T02:08:13.787000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-17T02:08:13.787000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-111853"
    }
  }
}