CVE-2026-82989

{
  "etk_id": "ETK-2026-727",
  "cve_id": "CVE-2026-82989",
  "display_id": "CVE-2026-82989",
  "ghsa_id": "GHSA-wx6m-rmf7-wpp6",
  "euvd_id": "EUVD-2026-92873",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Unauthenticated input injection in vCast services",
  "summary": "ViewSonic ViewBoard devices with reachable vCast network services are affected. A remote attacker can submit arbitrary input to exposed service endpoints without authenticating, provided they can access the relevant HTTP interface over the network.",
  "mitigation": "Restrict network access to vCast HTTP services to trusted management networks and block untrusted clients at network boundaries. Apply a vendor update when a fixed release is identified; the evidence does not name one.",
  "vendor": "Viewsonic",
  "product": "vCast",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= v0.0.0, <= v3.2.715"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "vCast",
      "purl": null
    }
  ],
  "cwes": [
    74,
    147
  ],
  "cvss_score": 9.8,
  "cvss_src": "nvd",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss_score": 0.0067,
  "epss_percentile": 0.5098,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 20.839291683333332,
  "t0_at": "2026-10-05T23:14:14.325000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-05T23:14:14.325000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-05T23:14:14.325000+00:00",
      "url": "https://github.com/advisories/GHSA-wx6m-rmf7-wpp6"
    }
  }
}