CVE-2026-110958

{
  "etk_id": "ETK-2026-1691",
  "cve_id": "CVE-2026-110958",
  "display_id": "CVE-2026-110958",
  "ghsa_id": "GHSA-456r-r3m7-3f5f",
  "euvd_id": "EUVD-2026-102150",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Heap-based buffer overflow in Wavlink WN530HG4B api.cgi",
  "summary": "Wavlink WN530HG4B devices running M30HG4B_V260724 are affected by a heap-based buffer overflow in api.cgi. A remote attacker may be able to compromise the device when the affected interface is reachable, without authentication or user interaction.",
  "mitigation": "Upgrade affected devices to firmware 2026-09-24-841a51c6d5_tclinux.bin. Until upgrades are complete, restrict access to the device management interface to trusted administrative networks.",
  "vendor": "Wavlink",
  "product": "WN530HG4B",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "M30HG4B_V260724"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "WN530HG4B",
      "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": 0.011,
  "epss_percentile": 0.6508,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 20.510747816666665,
  "t0_at": "2026-10-15T15:30:18.031000+00:00",
  "signals": {
    "public_poc": {
      "at": "2026-10-15T16:31:08.851206+00:00",
      "days": 0.04225486349537037,
      "is_lower_bound": false,
      "measured_at": "2026-10-15T15:30:18.031000+00:00",
      "url": "https://github.com/shlln/CVE-2026-110958"
    },
    "trigger_signal": {
      "at": "2026-10-15T15:30:18.031000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-15T15:30:18.031000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-110958"
    }
  }
}