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CVE-2026-36959

Full vulnerability record from the local CVENow database.

Description

U-SPEED N300 router V1.0.0 does not implement rate limiting or account lockout protections on the /api/login endpoint. This allows an attacker on the local network to perform unlimited authentication attempts, enabling brute-force attacks against the administrator account and potential unauthorized access to the router management interface.

Severity
HIGH
CVSS score
7.5 (v3.1)
Vulnerability status
Modified
Source identifier
Published
2026-04-30 15:16:23.077000
Last modified
2026-11-08 16:10:00.183000
View original CVE JSON
{
  "id": "CVE-2026-36959",
  "sourceIdentifier": "[email protected]",
  "published": "2026-04-30T15:16:23.077",
  "lastModified": "2026-11-08T16:10:00.183",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "U-SPEED N300 router V1.0.0 does not implement rate limiting or account lockout protections on the /api/login endpoint. This allows an attacker on the local network to perform unlimited authentication attempts, enabling brute-force attacks against the administrator account and potential unauthorized access to the router management interface."
    },
    {
      "lang": "es",
      "value": "El router U-SPEED N300 V1.0.0 no implementa limitaciones de velocidad ni protecciones de bloqueo de cuenta en el endpoint /api/login. Esto permite a un atacante en la red local realizar intentos de autenticación ilimitados, lo que posibilita ataques de fuerza bruta contra la cuenta de administrador y un posible acceso no autorizado a la interfaz de gestión del router."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "version": "n/a",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
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        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
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          "role": "CISA Coordinator",
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      "type": "Secondary",
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          "value": "CWE-307"
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  "references": [
    {
      "url": "https://github.com/kirubel-cve/CVE-2026-36959",
      "source": "[email protected]",
      "tags": [
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        "Third Party Advisory"
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}