CVE-2021-47880
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
ProductRealtek Wireless LAN Utility
PublishedJan 21, 2026
First seenJan 21, 2026
Weakness typeCWE-428CWE-428
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Realtek Semiconductor Corp. Realtek Wireless LAN Utility | 700.1631 | — |
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