CVE-2021-47829CWE-428

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

High · published January 16, 2026

CVSS v4.0
8.5
EPSS
0%
Percentile
5.6
In the wild
Unconfirmed
What it is

⚡ An unquoted service path in DHCP Broadband 4.1.0.1503 could let local attackers sneak in and run code with elevated privileges! 📈 Think of this like a restaurant where the head chef’s name is misspelled on the schedule. The wrong person could walk in thinking they're in charge and end up cooking whatever they want in the kitchen — that's the danger here! If exploited, an attacker could execute any code they desire during the service's startup, giving them LocalSystem permissions. This could lead to unauthorized data access, system control, or worse! Absolutely devastating for any system relying on this service.

Put simply

Think of this like a restaurant where the head chef’s name is misspelled on the schedule. The wrong person could walk in thinking they're in charge and end up cooking whatever they want in the kitchen — that's the danger here! The vulnerability stems from an unquoted service path in the configuration for 'dhcpt.exe', allowing attackers to inject malicious code that gets executed with high-level permissions when the service starts up.

What to do

If exploited, an attacker could execute any code they desire during the service's startup, giving them LocalSystem permissions. This could lead to unauthorized data access, system control, or worse! Absolutely devastating for any system relying on this service. Update DHCP Broadband to version 4.1.0.1504 or later to resolve this vulnerability. Additionally, ensure that service paths are properly quoted in configurations to prevent similar issues in the future. Conduct a security audit of your system to identify any potential risks. You can fix this! Stay vigilant and follow these steps to secure your system. 🛡️

The record
Technical detail
CVSS v4.0
8.5 · HIGH
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00166 · 5.6th percentile
Weakness
CWE-428 · Unquoted Search Path or Element
Published
2026-01-16T19:09Z
EPSS history
Timeline
  • 16 JAN 19:09Z
    DHCP Broadband 4.1.0.1503 - 'dhcpt.exe' Unquoted Service Path
    cvelistv5