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.
Conclusion & alert: CVE-2017-7588 is rated High Exploit Risk (93.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 33.58%, 98th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +16.94% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 41863 | exploit_db | edb | 2017-04-11 | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 16.64% | 33.58% | +16.94% |
| 2 | 2026-01-12 | 30.89% | 16.64% | -14.25% |
| 3 | 2025-11-21 | — | 30.89% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| brother | mfc_firmware | — | cpe:2.3:o:brother:mfc_firmware:-:*:*:*:*:*:*:* |
| brother | dcp_firmware | — | cpe:2.3:o:brother:dcp_firmware:-:*:*:*:*:*:*:* |
| brother | ads_firmware | — | cpe:2.3:o:brother:ads_firmware:-:*:*:*:*:*:*:* |
| brother | hl_firmware | — | cpe:2.3:o:brother:hl_firmware:-:*:*:*:*:*:*:* |