CVE-2026-92693

{
  "etk_id": "ETK-2026-3677",
  "cve_id": "CVE-2026-92693",
  "display_id": "CVE-2026-92693",
  "ghsa_id": "GHSA-jmjw-392h-4g93",
  "euvd_id": "EUVD-2026-117871",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Out-of-bounds read in FastNetMon IPv6 packet parsing",
  "summary": "FastNetMon 1.2.9 and earlier mishandle IPv6 Fragment headers while parsing sFlow v5 RAW_PACKET_HEADER records. An unauthenticated remote attacker able to supply crafted sFlow packet-header data may trigger an out-of-bounds read; the advisory does not establish a production process crash.",
  "mitigation": "Restrict sFlow input to trusted, authenticated network sources and filter untrusted sFlow traffic before it reaches FastNetMon. Monitor for a vendor release that fixes this issue; no fixed version is recorded.",
  "vendor": "pavel-odintsov",
  "product": "fastnetmon",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= 1.2.9"
      ],
      "ecosystem": "package",
      "fixed_versions": [],
      "package_name": "fastnetmon",
      "purl": null
    }
  ],
  "cwes": [
    125
  ],
  "cvss_score": 8.2,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 30.0475463,
  "t0_at": "2026-11-05T22:32:35.388000+00:00",
  "signals": {
    "public_poc": {
      "at": "2026-07-20T14:30:59+00:00",
      "days": -108.33444893518518,
      "is_lower_bound": false,
      "measured_at": "2026-11-05T22:32:35.388000+00:00",
      "url": "https://github.com/pavel-odintsov/fastnetmon/security/advisories/GHSA-jmjw-392h-4g93"
    },
    "trigger_signal": {
      "at": "2026-11-05T22:32:35.388000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-05T22:32:35.388000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-92693"
    }
  }
}