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CVE-2025-70519

Status: DeferredMedium (6.1)—

The device log component of Fanvil x7a firmware version 2.6.0.1182 does not properly sanitize or encode reflected user supplied data. The lack of sanitization allows for the injection of HTML which can be used to execute malicious JavaScript code on any target browser which renders the device log component.

CVSS

Exploitation probability (EPSS)

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.

XSS reflejado en componente de logs (CWE-79). Requiere interacción del usuario (UI:R) pero el vector CVSS:3.1 y la descripción explícita de inyección de HTML y ejecución de JavaScript confirman T1189 (drive-by). T1059.007 por ejecución de código JavaScript en navegador.

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

Restrict Web-Based ContentUser TrainingExecution PreventionBehavior Prevention on EndpointDisable or Remove Feature or ProgramApplication Isolation and Sandboxing

Affected technologies (1)

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

Fanvil — X7AAI

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2025-70519",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-70519",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-07T18:43:27.475840Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 6.1,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
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        }
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  ],
  "published": "2026-10-07T15:16:53.903",
  "references": [
    {
      "url": "http://download.fanvil.com/Firmware/Release/PA2S/",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.darkpoint.ca/blog/2026/02/27/Fanvil-x7a-PA2S-Vulnerability-Disclosure",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.fanvil.com/products/p5/wulianwangwangguan_1/20210921/5035.html",
      "source": "cve@mitre.org"
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    {
      "url": "https://www.darkpoint.ca/blog/2026/02/27/Fanvil-x7a-PA2S-Vulnerability-Disclosure",
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    }
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  "vulnStatus": "Deferred",
  "weaknesses": [
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The device log component of Fanvil x7a firmware version 2.6.0.1182 does not properly sanitize or encode reflected user supplied data. The lack of sanitization allows for the injection of HTML which can be used to execute malicious JavaScript code on any target browser which renders the device log component."
    }
  ],
  "lastModified": "2026-10-07T19:17:30.810",
  "sourceIdentifier": "cve@mitre.org"
}