CVE-2025-8298: Realtek RTL8811AU rtwlanu.sys N6CQueryInformationHandleCustomized11nOids Out-Of-Bounds Read Information Disclosure Vulnerability

Published Sep 2, 2025
·
Updated

Realtek RTL8811AU rtwlanu.sys N6CQueryInformationHandleCustomized11nOids Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows local attackers to disclose sensitive information on affected installations of Realtek RTL8811AU drivers. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the N6CQueryInformationHandleCustomized11nOids function. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the kernel. Was ZDI-CAN-25864.

Affected Software

4 affected components
Realtek RTL8811AU
Realtek RTL8811AU
All of the following
Realtek Wi-fi Usb Driver Windows<1030.52.0325.2025
Realtek RTL8811AU

Event History

Sep 2, 2025
CVE Published
via MITRE·08:02 PM
Data Sourced
via MITRE·08:02 PM
DescriptionSeverityWeakness
Advisory Published
via ZDI·08:11 PM
Data Sourced
via ZDI·08:11 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·08:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-8298?

CVE-2025-8298 has been classified as a high-severity vulnerability impacting information confidentiality.

2

How do I fix CVE-2025-8298?

To mitigate CVE-2025-8298, users should update their Realtek RTL8811AU drivers to the latest version provided by Realtek.

3

What type of attack can exploit CVE-2025-8298?

CVE-2025-8298 can be exploited by local attackers to disclose sensitive information from affected systems.

4

Which products are affected by CVE-2025-8298?

CVE-2025-8298 affects installations of the Realtek RTL8811AU drivers.

5

What is the nature of the vulnerability found in CVE-2025-8298?

CVE-2025-8298 is an out-of-bounds read vulnerability that poses a risk of information disclosure.

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