CVE-2021-47833

WifiHotSpot 1.0.0.0 contains an unquoted service path vulnerability in its WifiHotSpotService.exe that allows local attackers to execute code with elevated privileges. Attackers can exploit the unquoted path during system startup or reboot to inject and run malicious executables with LocalSystem permissions.

CVSS v4.0

8.5 HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

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

EPSS

0.16% chance of exploitation in the next 30 days, 5th percentile

Published

2026-01-16

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/49845

References

• CVE Record
• NVD entry

Related

• CVE-2021-47831
• CVE-2021-47834
• CVE-2021-47830
• CVE-2021-47835
• CVE-2021-47829
• CVE-2021-47836