CVE-2017-7588

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-17. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 34%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
9.8
EG Score
9.8(medium)
EPSS
98.2%
KEV
Not listed

Published

April 12, 2017

Last Modified

May 13, 2026

Advisory Details (2)

Auto-updated May 18, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Brother MFC-J6520DW - Authentication Bypass / Password Change - Hardware webapps Exploit

https://www.exploit-db.com/exploits/41863/
generic

Brother Devices Web Auth Bypass / Change Password Exploit - CXSecurity.com

https://cxsecurity.com/blad/WLB-2017040064

Data Freshness Timeline

(refreshed 9× in last 7d / 35× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 103 total refreshes for this CVE.

  1. 2026-07-07 13:42 UTCEPSS rescore
  2. 2026-07-06 02:20 UTCEPSS rescore
  3. 2026-07-06 02:20 UTCEPSS rescore
  4. 2026-07-04 06:28 UTCEPSS rescore
  5. 2026-07-04 06:28 UTCEPSS rescore
  6. 2026-07-02 16:54 UTCEPSS rescore
  7. 2026-07-01 15:03 UTCEPSS rescore
  8. 2026-06-30 23:19 UTCEPSS rescore
  9. 2026-06-30 23:19 UTCEPSS rescore
  10. 2026-06-29 14:03 UTCEPSS rescore
  11. 2026-06-28 04:53 UTCEPSS rescore
  12. 2026-06-28 04:53 UTCEPSS rescore
  13. 2026-06-27 03:06 UTCEPSS rescore
  14. 2026-06-25 13:47 UTCEPSS rescore
  15. 2026-06-24 14:02 UTCEPSS rescore
  16. 2026-06-24 14:02 UTCEPSS rescore
  17. 2026-06-23 21:30 UTCEPSS rescore
  18. 2026-06-23 21:30 UTCEPSS rescore
  19. 2026-06-21 01:57 UTCEPSS rescore
  20. 2026-06-21 01:57 UTCEPSS rescore
  21. 2026-06-18 17:50 UTCEPSS rescore
  22. 2026-06-17 17:50 UTCEPSS rescore
  23. 2026-06-16 17:50 UTCEPSS rescore
  24. 2026-06-15 17:45 UTCEPSS rescore
  25. 2026-06-14 23:14 UTCEPSS rescore
Show 75 more
  1. 2026-06-14 23:14 UTCEPSS rescore
  2. 2026-06-13 22:58 UTCEPSS rescore
  3. 2026-06-13 22:57 UTCEPSS rescore
  4. 2026-06-12 23:09 UTCEPSS rescore
  5. 2026-06-12 23:09 UTCEPSS rescore
  6. 2026-06-11 13:57 UTCEPSS rescore
  7. 2026-06-10 22:15 UTCEPSS rescore
  8. 2026-06-10 13:19 UTCEPSS rescore
  9. 2026-06-08 14:14 UTCEPSS rescore
  10. 2026-06-08 14:14 UTCEPSS rescore
  11. 2026-06-07 15:22 UTCEPSS rescore
  12. 2026-06-07 15:22 UTCEPSS rescore
  13. 2026-06-06 13:45 UTCEPSS rescore
  14. 2026-06-06 13:45 UTCEPSS rescore
  15. 2026-06-05 22:44 UTCEPSS rescore
  16. 2026-06-05 22:44 UTCEPSS rescore
  17. 2026-06-05 06:08 UTCEPSS rescore
  18. 2026-06-05 06:08 UTCEPSS rescore
  19. 2026-06-04 13:10 UTCEPSS rescore
  20. 2026-06-04 13:10 UTCEPSS rescore
  21. 2026-06-02 20:11 UTCEPSS rescore
  22. 2026-06-02 20:11 UTCEPSS rescore
  23. 2026-06-01 13:49 UTCEPSS rescore
  24. 2026-06-01 13:49 UTCEPSS rescore
  25. 2026-05-31 22:28 UTCEPSS rescore
  26. 2026-05-31 00:14 UTCEPSS rescore
  27. 2026-05-31 00:14 UTCEPSS rescore
  28. 2026-05-29 13:41 UTCEPSS rescore
  29. 2026-05-28 13:42 UTCEPSS rescore
  30. 2026-05-28 13:42 UTCEPSS rescore
  31. 2026-05-27 13:38 UTCEPSS rescore
  32. 2026-05-27 13:38 UTCEPSS rescore
  33. 2026-05-26 07:17 UTCEPSS rescore
  34. 2026-05-26 07:17 UTCEPSS rescore
  35. 2026-05-22 21:15 UTCEPSS rescore
  36. 2026-05-22 21:15 UTCEPSS rescore
  37. 2026-05-22 21:15 UTCEPSS rescore
  38. 2026-05-22 21:15 UTCEPSS rescore
  39. 2026-05-22 21:15 UTCEPSS rescore
  40. 2026-05-22 21:15 UTCEPSS rescore
  41. 2026-05-22 21:15 UTCEPSS rescore
  42. 2026-05-21 22:40 UTCEPSS rescore
  43. 2026-05-21 22:40 UTCEPSS rescore
  44. 2026-05-20 22:37 UTCEPSS rescore
  45. 2026-05-20 22:37 UTCEPSS rescore
  46. 2026-05-20 22:37 UTCEPSS rescore
  47. 2026-05-20 22:37 UTCEPSS rescore
  48. 2026-05-20 22:37 UTCEPSS rescore
  49. 2026-05-20 22:37 UTCEPSS rescore
  50. 2026-05-20 22:37 UTCEPSS rescore
  51. 2026-05-20 22:37 UTCEPSS rescore
  52. 2026-05-20 22:37 UTCEPSS rescore
  53. 2026-05-20 11:21 UTCEPSS rescore
  54. 2026-05-20 11:21 UTCEPSS rescore
  55. 2026-05-20 11:21 UTCEPSS rescore
  56. 2026-05-20 11:21 UTCEPSS rescore
  57. 2026-05-20 11:21 UTCEPSS rescore
  58. 2026-05-20 11:21 UTCEPSS rescore
  59. 2026-05-20 09:13 UTCEG score recompute
  60. 2026-05-20 09:13 UTCGHSA enrichment
  61. 2026-05-20 05:02 UTCEG score recompute
  62. 2026-05-20 05:02 UTCGHSA enrichment
  63. 2026-05-20 00:51 UTCEG score recompute
  64. 2026-05-20 00:51 UTCGHSA enrichment
  65. 2026-05-19 20:40 UTCEG score recompute
  66. 2026-05-19 20:40 UTCGHSA enrichment
  67. 2026-05-19 16:29 UTCEG score recompute
  68. 2026-05-19 16:29 UTCGHSA enrichment
  69. 2026-05-19 12:18 UTCEG score recompute
  70. 2026-05-19 12:18 UTCGHSA enrichment
  71. 2026-05-19 08:07 UTCEG score recompute
  72. 2026-05-19 08:07 UTCGHSA enrichment
  73. 2026-05-19 03:56 UTCEG score recompute
  74. 2026-05-19 03:56 UTCGHSA enrichment
  75. 2026-05-18 23:45 UTCEG score recompute

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-41863
    First seen Apr 11, 2017

    Brother MFC-J6520DW - Authentication Bypass / Password Change

    Open source ↗

Frequently asked(5)

What is CVE-2017-7588?
CVE-2017-7588 is a critical vulnerability published on April 12, 2017. 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…
When was CVE-2017-7588 disclosed?
CVE-2017-7588 was first published in the National Vulnerability Database on April 12, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-7588 actively exploited?
CVE-2017-7588 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-7588?
CVE-2017-7588 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2017-7588?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-7588, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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