CVE-2026-121598

{
  "etk_id": "ETK-2026-3445",
  "cve_id": "CVE-2026-121598",
  "display_id": "CVE-2026-121598",
  "ghsa_id": "GHSA-589m-6gfw-wq76",
  "euvd_id": "EUVD-2026-116667",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Stack buffer overflow in TOTOLINK A950RG wireless configuration",
  "summary": "TOTOLINK A950RG devices running firmware 4.1.2cu.5268_B20221104 are affected by a stack-based buffer overflow in the wireless configuration handler. A remote attacker with low-level access can trigger the flaw through the device's management functionality.",
  "mitigation": "Restrict router management access to trusted administrative networks and disable remote administration where it is not required. Apply a vendor firmware update that addresses this issue when one is available; the evidence does not identify a fixed version.",
  "vendor": "TOTOLINK",
  "product": "A950RG",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "4.1.2cu.5268_B20221104"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "A950RG",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 9.9,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 21.592797366666666,
  "t0_at": "2026-11-04T00:15:14.857000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-04T00:15:14.857000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-04T00:15:14.857000+00:00",
      "url": "https://github.com/advisories/GHSA-589m-6gfw-wq76"
    }
  }
}