CVE-2021-47880 - CVE House
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Status published High CVE-2021-47880

Realtek Wireless LAN Utility 700.1631 - 'Realtek11nSU' Unquoted Service Path

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Luis Martinez

Affected Vendor

Realtek Semiconductor Corp.

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Affected Software

Realtek Wireless LAN Utility
Vulnerable Versions:
700.1631

Timeline

Official Publish: January 21st, 2026
Last Modified: January 22nd, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)