CVE-2021-47829 - CVE House

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Status published High CVE-2021-47829

DHCP Broadband 4.1.0.1503 - 'dhcpt.exe' Unquoted Service Path

8.5 CVSS

Vulnerability Description

DHCP Broadband 4.1.0.1503 contains an unquoted service path vulnerability in its service configuration that allows local attackers to execute code with elevated privileges. Attackers can exploit the unquoted path in 'C:\Program Files\DHCP Broadband 4\dhcpt.exe' to inject malicious code that will execute during service startup with LocalSystem permissions.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Erick Galindo

References

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Affected Vendor

Weird-Solutions

View all reports →

Affected Software

DHCP Broadband

Vulnerable Versions:

4.1.0.1503

Timeline

Official Publish: January 16th, 2026

Last Modified: January 16th, 2026

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1574 Hijack Execution Flow

Privilege Escalation

T1036 Masquerading

Defense Evasion

T1543 Create or Modify System Process

T1059 Command and Scripting Interpreter

T1569 System Services