FKIE_CVE-2025-44526

Vulnerability from fkie_nvd - Published: 2025-07-09 16:15 - Updated: 2026-07-05 16:19
Severity
6.5 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Realtek RTL8762EKF-EVB RTL8762E SDK V1.4.0 was discovered to utilize insufficient permission checks on critical fields within Bluetooth Low Energy (BLE) data packets. This issue allows attackers to cause a Denial of Service (DoS) via a crafted LL_Length_Req packet.
References
cve@mitre.orghttps://github.com/yangting111/BLE_TEST/blob/main/result/PoC/Realtek/Improper_Validation_of_BLE_PDU_Length.mdExploit, Third Party Advisory
Impacted products
Vendor Product Version
realtek rtl8762e_software_development_kit 1.4.0
realtek rtl8762ekf-evb -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
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      "source": "cve@mitre.org"
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  ],
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Realtek RTL8762EKF-EVB RTL8762E SDK V1.4.0 was discovered to utilize insufficient permission checks on critical fields within Bluetooth Low Energy (BLE) data packets. This issue allows attackers to cause a Denial of Service (DoS) via a crafted LL_Length_Req packet."
    },
    {
      "lang": "es",
      "value": "Se descubri\u00f3 que Realtek RTL8762EKF-EVB RTL8762E SDK V1.4.0 utilizaba comprobaciones de permisos insuficientes en campos cr\u00edticos dentro de los paquetes de datos Bluetooth Low Energy (BLE). Este problema permite a los atacantes causar una denegaci\u00f3n de servicio (DoS) mediante un paquete LL_Length_Req manipulado."
    }
  ],
  "id": "CVE-2025-44526",
  "lastModified": "2026-07-05T16:19:22.117",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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          "options": [
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              "automatable": "no"
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            {
              "technicalImpact": "partial"
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          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-07-09T19:40:37.603788Z",
          "version": "2.0.3"
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  "published": "2025-07-09T16:15:23.563",
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  "vulnStatus": "Modified",
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      "type": "Secondary"
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}



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