What is the CVSS score of CVE-2021-47833?

CVE-2021-47833 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Is there a public PoC exploit available for CVE-2021-47833?

Yes, a public proof-of-concept exploit is available for CVE-2021-47833. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2021-47833?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

CVE-2021-47833

HIGH

Unquoted Search Path or Element (CWE-428)

2026-01-16 disclosure@vulncheck.com

Code Injection

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Jan 26, 2026 - 15:05 vuln.today

Public exploit code

CVE Published

Jan 16, 2026 - 19:16 nvd

HIGH 7.8

DescriptionCVE.org

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.

AnalysisAI

its WifiHotSpotService.exe contains a vulnerability that allows attackers to execute code with elevated privileges (CVSS 7.8).

Technical ContextAI

affects its WifiHotSpotService.exe. 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.