CVE-2021-47869CWE-428

BRAdmin Professional 3.75 - 'BRA_Scheduler' Unquoted Service Path

High · published January 21, 2026

CVSS v4.0
8.5
EPSS
0%
Percentile
4.1
In the wild
Unconfirmed
What it is

⚡ A crafty local user could exploit this unquoted service path vulnerability in Brother BRAdmin Professional 3.75! Imagine an attacker sneaking their own executable right under your nose and gaining local system privileges! 🔥 Think of it like a delivery driver who doesn’t check the label on the package — they drop off a box labeled ‘BRAdmin,’ but inside is something entirely different and malicious. This is how the BRA_Scheduler service can unwittingly run harmful code. If successfully exploited, an attacker could take control of your system, running arbitrary code and potentially compromising sensitive information. This could lead to unauthorized access and major disruptions in your operations — a nightmare scenario for any user!

Put simply

Think of it like a delivery driver who doesn’t check the label on the package — they drop off a box labeled ‘BRAdmin,’ but inside is something entirely different and malicious. This is how the BRA_Scheduler service can unwittingly run harmful code. This vulnerability stems from an unquoted service path in the BRA_Scheduler service, which allows local users to execute arbitrary code by placing a malicious executable in the designated folder. Without proper quoting, the service may inadvertently run the wrong executable.

What to do

If successfully exploited, an attacker could take control of your system, running arbitrary code and potentially compromising sensitive information. This could lead to unauthorized access and major disruptions in your operations — a nightmare scenario for any user! To safeguard against this vulnerability, ensure you update to the latest version of Brother BRAdmin Professional and check for any configurations that may lead to unquoted service paths. Additionally, implement strict file permissions in the C:\Program Files (x86)\Brother\ directory to prevent unauthorized modifications. You've got this! By following these steps, you'll keep your system secure and maintain your superhero status in the fight against vulnerabilities! 🛡️

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
0.00153 · 4.1th percentile
Weakness
CWE-428 · Unquoted Search Path or Element
Published
2026-01-21T17:27Z
EPSS history
Timeline
  • 21 JAN 17:27Z
    BRAdmin Professional 3.75 - 'BRA_Scheduler' Unquoted Service Path
    cvelistv5