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Vulnerability record · CVE-2017-7588 · published 12 April 2017

CVE-2017-7588: Brother mfc firmware improper authentication vulnerability

Brother · Mfc Firmware

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.

9.8 CVSS 3.0 Critical EPSS 34% · top 1.7% CWE-287 · Improper authentication
9.8CVSS 3.0 base score, v2 10.0
34%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-7588), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.