CVE-2021-47880
Realtek Wireless LAN Utility 700.1631 - 'Realtek11nSU' Unquoted Service Path
- State
- Published
- Severity
- 8.5 High
- Published
- Jan 21, 2026
- Updated
- Jan 22, 2026
- Reserved
- Jan 18, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.5 High | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-428 Unquoted Search Path or Element
Affected Products
| Product | Versions |
|---|---|
Realtek Wireless LAN UtilityRealtek Semiconductor Corp. |
|
References
- ExploitDB-49646exploit
- Realtek Official Homepageproduct
- VulnCheck Advisory: Realtek Wireless LAN Utility 700.1631 - 'Realtek11nSU' Unquoted Service Paththird-party-advisory
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