{
    "id": "CVE-2025-52376",
    "published": "2025-07-15 14:15:30",
    "last_modified": "2026-06-17 09:36:26",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-287",
    "description": "An authentication bypass vulnerability in the /web/um_open_telnet.cgi endpoint in Nexxt Solutions NCM-X1800 Mesh Router firmware UV1.2.7 and below, allowing an attacker to remotely enable the Telnet service without authentication, bypassing security controls. The Telnet server is then accessible with hard-coded credentials, allowing attackers to gain administrative shell access and execute arbitrary commands on the device.",
    "epss_score": "0.11162",
    "epss_percentile": "0.95832",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-03 18:17:52",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "EPSS 11.2% — above the 10% action threshold."
    },
    "products": [],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://github.com/Vagebondcur/nexxt-solutions-NCM-X1800-exploits",
        "https://github.com/Vagebondcur/nexxt-solutions-NCM-X1800-exploits/blob/main/CVE-2025-52376/writeup.md"
    ]
}