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Fencer Intel
critical 9.8

CVE-2017-7588 in the critical feed json

On certain Brother devices, authorization is mishandled by including a valid AuthCookie cookie in the HTTP response to a failed login attem…

published 2017-04-12 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-16593

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
33.6%
EPSS 33.6% chance of exploitation in 30 days, percentile 98%
public exploits
1
Exploit-DB

Summary

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.

Timeline

  1. First public exploit (EDB-41863)
  2. Published

Exploit prediction

33.58% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-41863 Brother MFC-J6520DW - Authentication Bypass / Password Change webapps, 2017-04-11

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.