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

Published Jan 21, 2026
·
Updated

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 Software

1 affected component
Realtek Wireless LAN Utility

Event History

Jan 21, 2026
CVE Published
via MITRE·05:27 PM
Data Sourced
via MITRE·05:27 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2021-47880?

CVE-2021-47880 has been rated as a medium severity vulnerability due to its potential to allow local users to execute code with elevated privileges.

2

How do I fix CVE-2021-47880?

To mitigate CVE-2021-47880, ensure that the service path for Realtek Wireless LAN Utility is properly quoted and review the application's configuration.

3

Who is affected by CVE-2021-47880?

CVE-2021-47880 affects users of Realtek Wireless LAN Utility version 700.1631 and potentially other versions with similar vulnerabilities.

4

What type of vulnerability is CVE-2021-47880?

CVE-2021-47880 is classified as an unquoted service path vulnerability.

5

Can CVE-2021-47880 be exploited remotely?

No, CVE-2021-47880 requires local user access to exploit the vulnerability.

Contact

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