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

Quick assessment

Affected
Realtek RTL8811AU
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Realtek RTL8811AU是中国瑞昱半导体（Realtek）公司的一款控制器芯片。 Realtek RTL8811AU存在缓冲区错误漏洞，该漏洞源于N6CQueryInformationHandleCustomized11nOids函数验证不足，可能导致信息泄露。

AI Predicted 8.1 Difficulty: Hard EPSS 0.14% · P3
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I. Basic Information for CVE-2025-8298

Vulnerability Information
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Vulnerability Title
Realtek RTL8811AU rtwlanu.sys N6CQueryInformationHandleCustomized11nOids Out-Of-Bounds Read Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Realtek RTL8811AU 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Realtek RTL8811AU是中国瑞昱半导体（Realtek）公司的一款控制器芯片。 Realtek RTL8811AU存在缓冲区错误漏洞，该漏洞源于N6CQueryInformationHandleCustomized11nOids函数验证不足，可能导致信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Realtek RTL8811AU 1030.38.712.2019 -

II. Public POCs for CVE-2025-8298

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III. Intelligence Information for CVE-2025-8298

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Vendor Advisories for CVE-2025-8298 (1)

Same Patch Batch · Realtek · 2025-09-02 · 5 CVEs total

CVE-2025-8300 Realtek rtl81xx SDK Wi-Fi Driver rtwlanu Heap-based Buffer Overflow Local Privilege Escala
CVE-2025-8302 Realtek rtl81xx SDK Wi-Fi Driver rtwlanu Heap-based Buffer Overflow Local Privilege Escala
CVE-2025-8301 Realtek RTL8811AU rtwlanu.sys N6CSet_DOT11_CIPHER_DEFAULT_KEY Heap-based Buffer Overflow L
CVE-2025-8299 Realtek rtl81xx SDK Wi-Fi Driver MgntActSet_TEREDO_SET_RS_PACKET Heap-based Buffer Overflo

IV. Related Vulnerabilities

Same product: RTL8811AU
Same vendor: Realtek
Same weakness: CWE-125

V. Comments for CVE-2025-8298

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