CVE-2026-18607

Estado: AplazadaAlta (7.4)—

A security vulnerability has been detected in Wavlink WN572, WN570H, WN573, WN529, WN530, WN531, WN535, etc. WN529, WN530, WN531, WN535, WN536, WN551, WN557 and NU516 up to 20260609. Affected by this issue is the function strcpy of the file upload.cgi of the component lighttpd. The manipulation of the argument HTTP_COOKIE leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

CVSS

Versión: 4.0
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Puntuación base: 7.4

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.79%
Percentil entre todas las CVEs puntuadas: 55
Fecha de la puntuación: 6/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1210 Exploitation of Remote Serviceslateral movement85 %
Impacto principalT1059 Command and Scripting Interpreterexecution80 %
Impacto secundarioT1068 Exploitation for Privilege Escalationprivilege escalation75 %

Buffer overflow en upload.cgi accesible remotamente con PR:L (T1210). Stack corruption permite ejecución de código (T1059) y escalada de privilegios (T1068) en dispositivos Wavlink. CWE-119/121 confirman.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Threat Intelligence Program Privileged Account Management Execution Prevention Disable or Remove Feature or Program Application Isolation and Sandboxing Exploit Protection

Tecnologías afectadas (12)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Lighttpd — Lighttpd^AI Wavlink — Nu516^AI Wavlink — Wn529^AI Wavlink — Wn530^AI Wavlink — Wn531^AI Wavlink — Wn535^AI Wavlink — Wn536^AI Wavlink — Wn551^AI Wavlink — Wn557^AI Wavlink — Wn570h^AI Wavlink — Wn572^AI Wavlink — Wn573^AI

CWE

CWE-119, CWE-121

Referencias

JSON original (NVD)

Mostrar

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  "id": "CVE-2026-18607",
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      "affectedData": [
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          "vendor": "Wavlink",
          "modules": [
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          "product": "WN572",
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          "cpes": [
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          "cpes": [
            "cpe:2.3:a:wavlink:wn573:*:*:*:*:*:*:*:*"
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          "vendor": "Wavlink",
          "modules": [
            "lighttpd"
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          "product": "WN573",
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              "version": "20260609"
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          "cpes": [
            "cpe:2.3:a:wavlink:wn529:*:*:*:*:*:*:*:*"
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          "vendor": "Wavlink",
          "modules": [
            "lighttpd"
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          "product": "WN529",
          "versions": [
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              "version": "20260609"
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        {
          "cpes": [
            "cpe:2.3:a:wavlink:wn530:*:*:*:*:*:*:*:*"
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          "vendor": "Wavlink",
          "modules": [
            "lighttpd"
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          "product": "WN530",
          "versions": [
            {
              "status": "affected",
              "version": "20260609"
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        {
          "cpes": [
            "cpe:2.3:a:wavlink:wn531:*:*:*:*:*:*:*:*"
          ],
          "vendor": "Wavlink",
          "modules": [
            "lighttpd"
          ],
          "product": "WN531",
          "versions": [
            {
              "status": "affected",
              "version": "20260609"
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          "cpes": [
            "cpe:2.3:a:wavlink:wn535:*:*:*:*:*:*:*:*"
          ],
          "vendor": "Wavlink",
          "modules": [
            "lighttpd"
          ],
          "product": "WN535",
          "versions": [
            {
              "status": "affected",
              "version": "20260609"
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            "cpe:2.3:a:wavlink:etc._wn529:*:*:*:*:*:*:*:*"
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          "vendor": "Wavlink",
          "modules": [
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          "cpes": [
            "cpe:2.3:a:wavlink:wn530:*:*:*:*:*:*:*:*"
          ],
          "vendor": "Wavlink",
          "modules": [
            "lighttpd"
          ],
          "product": "WN530",
          "versions": [
            {
              "status": "affected",
              "version": "20260609"
            }
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          "cpes": [
            "cpe:2.3:a:wavlink:wn531:*:*:*:*:*:*:*:*"
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          "vendor": "Wavlink",
          "modules": [
            "lighttpd"
          ],
          "product": "WN531",
          "versions": [
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          "cpes": [
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          "vendor": "Wavlink",
          "modules": [
            "lighttpd"
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          "product": "WN535",
          "versions": [
            {
              "status": "affected",
              "version": "20260609"
            }
          ]
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        {
          "cpes": [
            "cpe:2.3:a:wavlink:wn536:*:*:*:*:*:*:*:*"
          ],
          "vendor": "Wavlink",
          "modules": [
            "lighttpd"
          ],
          "product": "WN536",
          "versions": [
            {
              "status": "affected",
              "version": "20260609"
            }
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        {
          "cpes": [
            "cpe:2.3:a:wavlink:wn551:*:*:*:*:*:*:*:*"
          ],
          "vendor": "Wavlink",
          "modules": [
            "lighttpd"
          ],
          "product": "WN551",
          "versions": [
            {
              "status": "affected",
              "version": "20260609"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:wavlink:wn557:*:*:*:*:*:*:*:*"
          ],
          "vendor": "Wavlink",
          "modules": [
            "lighttpd"
          ],
          "product": "WN557",
          "versions": [
            {
              "status": "affected",
              "version": "20260609"
            }
          ]
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        {
          "cpes": [
            "cpe:2.3:a:wavlink:nu516:*:*:*:*:*:*:*:*"
          ],
          "vendor": "Wavlink",
          "modules": [
            "lighttpd"
          ],
          "product": "NU516",
          "versions": [
            {
              "status": "affected",
              "version": "20260609"
            }
          ]
        }
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  "published": "2026-08-03T17:16:35.913",
  "references": [
    {
      "url": "https://github.com/0xcc12138/WAVLINK-vul",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/cve/CVE-2026-18607",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/submit/852637",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/385530",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/385530/cti",
      "source": "cna@vuldb.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        },
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A security vulnerability has been detected in Wavlink WN572, WN570H, WN573, WN529, WN530, WN531, WN535, etc. WN529, WN530, WN531, WN535, WN536, WN551, WN557 and NU516 up to 20260609. Affected by this issue is the function strcpy of the file upload.cgi of the component lighttpd. The manipulation of the argument HTTP_COOKIE leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used."
    }
  ],
  "lastModified": "2026-08-12T21:00:37.147",
  "sourceIdentifier": "cna@vuldb.com"
}