CVE-2021-47880

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.

Score

CVSS 4.0 8.5 High

Status

Deferred - disclosure@vulncheck.com

Published

2026-01-21

Last modified

2026-01-22

Weaknesses

CWE-428

Affected products

• Realtek Wireless Lan Utility (Realtek Semiconductor Corp.)

References

• https://www.exploit-db.com/exploits/49646
• https://www.realtek.com/en/
• https://www.vulncheck.com/advisories/realtek-wireless-lan-utility-realteknsu-unquoted-service-path