CVE-2026-105979

{
  "etk_id": "ETK-2026-3357",
  "cve_id": "CVE-2026-105979",
  "display_id": "CVE-2026-105979",
  "ghsa_id": "GHSA-5hc8-wr2r-5gjx",
  "euvd_id": "EUVD-2026-115709",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Command injection in Welotec TK ZeroTier VPN function",
  "summary": "Welotec TK100, TK500-v2, and TK500-v3 firmware contain an input-validation flaw in the ZeroTier VPN function. A remote attacker with high privileges may execute system commands with root privileges; prior high-privilege access is required.",
  "mitigation": "Upgrade TK100 to 3.5.116, TK500-v2 to 1.0.124, or TK500-v3 to 1.0.123. Restrict high-privilege access to affected devices until updates are installed.",
  "vendor": "Welotec",
  "product": "TK100",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0.0.0, < 3.5.116"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "3.5.116"
      ],
      "package_name": "TK100",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0.0.0, < 1.0.124"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "1.0.124"
      ],
      "package_name": "TK500-v2",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0.0.0, < 1.0.123"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "1.0.123"
      ],
      "package_name": "TK500-v3",
      "purl": null
    }
  ],
  "cwes": [
    77
  ],
  "cvss_score": 8.6,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 12.34943165,
  "t0_at": "2026-11-03T08:58:40.540000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-03T08:58:40.540000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-03T08:58:40.540000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-105979"
    }
  }
}