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.
History

Fri, 23 Jan 2026 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Realtek
Realtek wireless Lan Utility
Vendors & Products Realtek
Realtek wireless Lan Utility

Thu, 22 Jan 2026 23:00:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 21 Jan 2026 17:45:00 +0000

Type Values Removed Values Added
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.
Title Realtek Wireless LAN Utility 700.1631 - 'Realtek11nSU' Unquoted Service Path
Weaknesses CWE-428
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-01-22T16:51:41.225Z

Reserved: 2026-01-18T12:35:05.172Z

Link: CVE-2021-47880

cve-icon Vulnrichment

Updated: 2026-01-22T16:46:58.122Z

cve-icon NVD

Status : Received

Published: 2026-01-21T18:16:22.257

Modified: 2026-01-21T18:16:22.257

Link: CVE-2021-47880

cve-icon Redhat

No data.