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CVE-2021-47880— Realtek Wireless LAN Utility 700.1631 - 'Realtek11nSU' Unquoted Service Path

Quick assessment

Affected
Realtek Semiconductor Corp. Realtek Wireless LAN Utility
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 Wireless LAN Utility是中国瑞昱半导体（Realtek）公司的一个无线网卡配置与管理工具。 Realtek Wireless LAN Utility 700.1631版本存在代码问题漏洞，该漏洞源于存在未加引号的服务路径，可能导致本地用户执行代码并提升系统权限。

CVSS 7.8 · High EPSS 0.13% · P3

Possible ATT&CK Techniques 1 AI

T1546.001 · Change Default File Association
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I. Basic Information for CVE-2021-47880

Vulnerability Information
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Vulnerability Title
Realtek Wireless LAN Utility 700.1631 - 'Realtek11nSU' Unquoted Service Path
Source: CVE Program / CVE List V5
Vulnerability Description
Realtek Wireless LAN Utility 700.1631 contains an unquoted service path vulnerability that allows local users to potentially execute code with elevated system privileges. Attackers can exploit the unquoted service path by inserting malicious code in the system root path that would execute during application startup or system reboot.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未经引用的搜索路径或元素
Source: CVE Program / CVE List V5
Vulnerability Title
Realtek Wireless LAN Utility 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Realtek Wireless LAN Utility是中国瑞昱半导体（Realtek）公司的一个无线网卡配置与管理工具。 Realtek Wireless LAN Utility 700.1631版本存在代码问题漏洞，该漏洞源于存在未加引号的服务路径，可能导致本地用户执行代码并提升系统权限。
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 Semiconductor Corp. Realtek Wireless LAN Utility 700.1631 -

II. Public POCs for CVE-2021-47880

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III. Intelligence Information for CVE-2021-47880

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Exploits & Public PoCs for CVE-2021-47880 (1)

IV. Related Vulnerabilities

Same weakness: CWE-428

V. Comments for CVE-2021-47880

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