CVE-2021-47829 DHCP Broadband 4.1.0.1503 - 'dhcpt.exe' Unquoted Service Path
Local attackers can execute arbitrary code with elevated privileges by exploiting an unquoted service path in the DHCP Broadband server.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-47829?
CVE-2021-47829 is a high-severity vulnerability in Weird-Solutions DHCP Broadband, published on 16 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-428
Which versions are affected by CVE-2021-47829?
How do I fix CVE-2021-47829?
No fix has been published for CVE-2021-47829 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-47829 being exploited?
There is no known exploitation of CVE-2021-47829 in the wild and no public exploit code.
Sources
Also known as GHSA-mpwm-cjcc-56wq.