CVE-2021-47880

HIGH
2026-01-21 [email protected]
7.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 26, 2026 - 15:04 vuln.today
Public exploit code
CVE Published
Jan 21, 2026 - 18:16 nvd
HIGH 7.8

Tags

Information Disclosure

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.

Analysis

Realtek Wireless LAN Utility 700.1631 contains an unquoted service path vulnerability that allows local users to potentially execute code with elevated system privileges. [CVSS 7.8 HIGH]

Technical Context

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.

Affected Products

Realtek Wireless LAN Utility 700.1631 contains an unquoted service path vulnerability that

Remediation

Monitor vendor advisories for a patch.

Priority Score

59
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +39
POC: +20

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CVE-2021-47880 vulnerability details – vuln.today
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