CVE-2021-47880

8.5 highEPSS 0.2%

High (8.5). EPSS 0.2% 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.

Severity

CVSS 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

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-31)
CWE: CWE-428
Published: 2026-01-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

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

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