CVE-2026-123966

{
  "etk_id": "ETK-2026-3841",
  "cve_id": "CVE-2026-123966",
  "display_id": "CVE-2026-123966",
  "ghsa_id": "GHSA-w69v-2wp6-xxjp",
  "euvd_id": "EUVD-2026-119293",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Heap buffer overflow in Tenda AC19 parental-control handler",
  "summary": "Tenda AC19 firmware 16.03.10.07 contains a heap buffer overflow in its parental-control request handler. A remote attacker may cause memory corruption without authentication if they can reach the device's management interface.",
  "mitigation": "Restrict device management access to trusted administrative networks and prevent Internet exposure of the management interface. Apply a vendor firmware update when one addressing this issue is available; the evidence does not identify a fixed version.",
  "vendor": "Tenda",
  "product": "AC19",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "16.03.10.07"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "AC19",
      "purl": null
    }
  ],
  "cwes": [
    122
  ],
  "cvss_score": 10,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 11.541445966666666,
  "t0_at": "2026-11-07T13:45:19.423000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-07T13:45:19.423000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-07T13:45:19.423000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-123966"
    }
  }
}