Unquoted Service Path Vulnerability in WifiHotSpot by Gearbox Computers
CVE-2021-47833

8.5HIGH

Key Information:

Vendor

Gearboxcomputers

Status
Wifihotspot
Vendor
CVE Published:
16 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47833?

WifiHotSpot 1.0.0.0 includes a vulnerability in its WifiHotSpotService.exe component due to an unquoted service executable path. This flaw allows local attackers to manipulate the service path during system startup or a reboot, enabling them to execute malicious code with elevated privileges. By exploiting this vulnerability, attackers can potentially gain LocalSystem access, which can lead to further compromises of the entire system.

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Affected Version(s)

WifiHotSpot 1.0.0.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-47833 - Proof of Concept

References

https://www.exploit-db.com/exploits/49845
exploit
https://wifi-hotspot.gearboxcomputers.com/
product
https://www.vulncheck.com/advisories/wifihotspot-wifihots...
third-party-advisory

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Erick Galindo
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