CVE-2025-52361

Status: DeferredHigh (7.8)—

Insecure permissions in the script /etc/init.d/lighttpd in AK-Nord USB-Server-LXL Firmware v0.0.16 Build 2023-03-13 allows a locally authenticated low-privilege user to execute arbitrary commands with root privilege via editing this script which is executed with root-privileges on any interaction and on every system boot.

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base score: 7.8

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.23%
Percentile among all scored CVEs: 12
Score date: 10/6/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1068 Exploitation for Privilege Escalationprivilege escalation95 %
Primary impactT1222 File and Directory Permissions Modificationdefense impairment85 %
Secondary impactT1059 Command and Scripting Interpreterexecution90 %

AV:L + PR:L sin UI permite escalada local editando script ejecutado como root (CWE-276: permisos inseguros). Impacto: modificación de permisos (T1222) y ejecución de comandos arbitrarios con root (T1059).

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Privileged Account Management Execution Prevention Threat Intelligence Program Restrict Web-Based Content Restrict File and Directory Permissions Limit Software Installation

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Ak-nord — Usb-server-lxl^AI

CWEs

CWE-276

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2025-52361",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-52361",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-08-04T16:25:58.853705Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2025-08-01T16:15:42.053",
  "references": [
    {
      "url": "https://seclists.org/fulldisclosure/2025/Jul/20",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.ak-nord.de/usbserver-usb--usb-converter--usb-auf-ethernet--usb-to-ethernet--usb-auf-lan--usb-server--usb-konverter--print-server-80.html",
      "source": "cve@mitre.org"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Deferred",
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      "description": [
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          "lang": "en",
          "value": "CWE-276"
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  "descriptions": [
    {
      "lang": "en",
      "value": "Insecure permissions in the script /etc/init.d/lighttpd in AK-Nord USB-Server-LXL Firmware v0.0.16 Build 2023-03-13 allows a locally authenticated low-privilege user to execute arbitrary commands with root privilege via editing this script which is executed with root-privileges on any interaction and on every system boot."
    },
    {
      "lang": "es",
      "value": "Los permisos inseguros en el script /etc/init.d/lighttpd en el firmware v0.0.16 Build 2023-03-13 de AK-Nord USB-Server-LXL permiten que un usuario con privilegios bajos autenticado localmente ejecute comandos arbitrarios con privilegios de root mediante la edición de este script que se ejecuta con privilegios de root en cualquier interacción y en cada arranque del sistema."
    }
  ],
  "lastModified": "2026-06-17T09:36:25.200",
  "sourceIdentifier": "cve@mitre.org"
}