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CVE-2025-63666

Full vulnerability record from the local CVENow database.

Description

Tenda AC15 v15.03.05.18_multi) issues an authentication cookie that exposes the account password hash to the client and uses a short, low-entropy suffix as the session identifier. An attacker with network access or the ability to run JS in a victim browser can steal the cookie and replay it to access protected resources.

Severity
CRITICAL
CVSS score
9.8 (v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2025-11-12 15:15:38.583000
Last modified
2026-11-05 14:10:00.273000
View original CVE JSON
{
  "id": "CVE-2025-63666",
  "sourceIdentifier": "[email protected]",
  "published": "2025-11-12T15:15:38.583",
  "lastModified": "2026-11-05T14:10:00.273",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Tenda AC15 v15.03.05.18_multi) issues an authentication cookie that exposes the account password hash to the client and uses a short, low-entropy suffix as the session identifier. An attacker with network access or the ability to run JS in a victim browser can steal the cookie and replay it to access protected resources."
    },
    {
      "lang": "es",
      "value": "Tenda AC15 v15.03.05.18_multi) emite una cookie de autenticación que expone el hash de la contraseña de la cuenta al cliente y utiliza un sufijo corto y de baja entropía como identificador de la sesión. Un atacante con acceso a la red o la capacidad de ejecutar JS en el navegador de una víctima puede robar la cookie y reproducirla para acceder a recursos protegidos."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "version": "n/a",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2025-11-13T15:52:07.931910Z",
          "id": "CVE-2025-63666",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    }
  ],
  "configurations": [
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          "cpeMatch": [
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  "references": [
    {
      "url": "https://github.com/Remenis/CVE-2025-63666",
      "source": "[email protected]",
      "tags": [
        "Exploit",
        "Mitigation",
        "Third Party Advisory"
      ]
    }
  ]
}