CVE-2025-44526: rtl8762ekf-evb — Exploit

Description

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.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-20 Improper Input Validation

CWE-284 CWE-284

Affected Products

Vendor	Product	Versions
realtek	rtl8762e_software_development_kit	All
realtek	rtl8762ekf-evb	All

References

Exploits

https://github.com/yangting111/BLE_TEST/blob/main/result/PoC/Realtek/Improper_Validation_of_BLE_PDU_Length.md

Other References

http://realtek.com http://rtl8762ekf-evb.com

Frequently Asked Questions

What is CVE-2025-44526? +

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. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-44526? +

CVE-2025-44526 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-44526? +

CVE-2025-44526 affects products from realtek, specifically: rtl8762e_software_development_kit, rtl8762ekf-evb. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-44526? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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