CVE-2021-47880: Realtek Semiconductor Corp Realtek Wireless Lan Utility

High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days.

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 Semiconductor Corp Realtek Wireless Lan Utility: version 700.1631 only

Published 2026-01-21. Last modified 2026-06-17.