CVE record · CVE-2024-51978

Authentication bypass via default password generation affecting multiple models from Brother Industries, Ltd, Toshiba Tec, and Konica Minolta, Inc.

CVSS 9.8 CriticalCriticalEPSS 0.16 · 96th percentile

Critical, because:

CVSS score 9.8: 9.0 or more.
CVSS score 9.8 (7.0 or more) and EPSS 0.16 (0.1 or more): a high score and a real chance of exploitation in the next 30 days.

Published by the CVE Program (CNA: rapid7) at 25 Jun 2025, 07:17 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Brother Industries, Ltd	DCP-J928N-W/B	affected 1.0 to 1.03(B), inclusive semver Other versions: unaffected
Brother Industries, Ltd	MFC-J1800DW (Europe)	affected 1.0 to 1.13(H), inclusive semver Other versions: unaffected
Brother Industries, Ltd	MFC-J1800DW (USA)	affected 1.0 to 1.02(B), inclusive semver Other versions: unaffected
Brother Industries, Ltd	MFC-J4340DWE	affected 1.0 to 1.38(M), inclusive semver Other versions: unaffected
Brother Industries, Ltd	MFC-J4345DWXL	affected 1.0 to 1.38(M), inclusive semver Other versions: unaffected
Brother Industries, Ltd	MFC-J5855DWXL	affected 1.0 to 1.25(J), inclusive semver Other versions: unaffected
Brother Industries, Ltd	MFC-J6555DWXL	affected 1.0 to 1.19(H), inclusive semver Other versions: unaffected
Brother Industries, Ltd	DCP-B7520DW (China)	affected A to V, inclusive semver Other versions: unaffected
Brother Industries, Ltd	DCP-B7535DW (China)	affected A to V, inclusive semver Other versions: unaffected
Brother Industries, Ltd	DCP-B7640DW (Asia)	affected 1.0 to 1.16(F), inclusive semver Other versions: unaffected
Brother Industries, Ltd	DCP-L2535DW (China)	affected A to M, inclusive semver Other versions: unaffected
Brother Industries, Ltd	DCP-L2540DW (Japan)	affected A to T, inclusive semver Other versions: unaffected
Brother Industries, Ltd	DCP-L2550DW (China)	affected A to M, inclusive semver Other versions: unaffected
Brother Industries, Ltd	DCP-L2550DW (Japan)	affected A to R, inclusive semver Other versions: unaffected
Brother Industries, Ltd	DCP-L2550DW (Taiwan)	affected A to V, inclusive semver Other versions: unaffected
Brother Industries, Ltd	DCP-L2660DW (Japan)	affected 1.0 to 1.08(C), inclusive semver Other versions: unaffected
Brother Industries, Ltd	HL-L2361DN	affected 1.0 to 1.36(Z), inclusive semver Other versions: unaffected
Brother Industries, Ltd	HL-L5210DN (Japan)	affected 1.0 to 1.12(F), inclusive semver Other versions: unaffected
Brother Industries, Ltd	HL-L5210DW (Japan)	affected 1.0 to 1.12(F), inclusive semver Other versions: unaffected
Brother Industries, Ltd	HL-L6310DW (Japan)	affected 1.0 to 1.10(F), inclusive semver Other versions: unaffected
Brother Industries, Ltd	MFC-EX670	affected 1.0 to 1.22(S), inclusive semver Other versions: unaffected
Brother Industries, Ltd	MFC-L2700DW (Asia)	affected A to W, inclusive semver Other versions: unaffected
Brother Industries, Ltd	MFC-L2715DW (Taiwan/Korea/Hong Kong)	affected A to V, inclusive semver Other versions: unaffected
Brother Industries, Ltd	MFC-L2740DW (Japan)	affected A to U, inclusive semver Other versions: unaffected
Brother Industries, Ltd	MFC-L2750DW (Japan)	affected A to R, inclusive semver Other versions: unaffected
Brother Industries, Ltd	MFC-L2805DW (Asia)	affected 1.0 to 1.16(F), inclusive semver Other versions: unaffected
Brother Industries, Ltd	MFC-L2860DW (Japan)	affected 1.0 to 1.08(C), inclusive semver Other versions: unaffected
Brother Industries, Ltd	MFC-L2880DW (Japan)	affected 1.0 to 1.08(C), inclusive semver Other versions: unaffected
Brother Industries, Ltd	MFC-L3770CDW (Japan)	affected A to ZA, inclusive semver Other versions: unaffected
Brother Industries, Ltd	MFC-L3780CDW (Japan)	affected 1.0 to 1.12(J), inclusive semver Other versions: unaffected
Brother Industries, Ltd	MFC-L5710DW (Japan)	affected 1.0 to 1.12（H）, inclusive semver Other versions: unaffected
Brother Industries, Ltd	MFC-L5755DW (Japan)	affected A to ZP, inclusive semver Other versions: unaffected
Brother Industries, Ltd	MFC-L6900DW (Japan)	affected A to ZP, inclusive semver Other versions: unaffected
Brother Industries, Ltd	MFC-L8610CDW (Japan)	affected A to ZD, inclusive semver Other versions: unaffected
Brother Industries, Ltd	MFC-L9570CDW (Japan)	affected A to ZD, inclusive semver Other versions: unaffected
Brother Industries, Ltd	DS-940DW	affected A to G(1.7), inclusive semver Other versions: unaffected
Brother Industries, Ltd	MDS-940DW	affected A to G(1.7), inclusive semver Other versions: unaffected
Brother Industries, Ltd	TD-2130NSA	affected 1.0 to 1.25, inclusive semver Other versions: unaffected
Brother Industries, Ltd	TD-2135NSA	affected 1.0 to 2.19, inclusive semver Other versions: unaffected
Brother Industries, Ltd	TD-2135NWB	affected 1.0 to 2.19, inclusive semver Other versions: unaffected

And 565 more products. The full list is on the CVE record.

Identifiers: CVE-2024-51978
CNA: rapid7
Weakness (CWE): CWE-1391
Tags: Brother Industries, Ltd DCP-J928N-W/B
Brother Industries, Ltd MFC-J1800DW (Europe)
Brother Industries, Ltd MFC-J1800DW (USA)
Brother Industries, Ltd MFC-J4340DWE
Brother Industries, Ltd MFC-J4345DWXL
Brother Industries, Ltd MFC-J5855DWXL
Brother Industries, Ltd MFC-J6555DWXL
Brother Industries, Ltd DCP-B7520DW (China)
Hard-coded credentials
Published: 25 Jun 2025
Updated: 30 Mar 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.8	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CNA (rapid7)

CISA KEV Not listed.
EPSS 0.16, the 96th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 25 Jun 2025. New records show when each source confirmed them.

Sources

References from the CNA

www.rapid7.com/blog/post/multiple-brother-devices-multiple-vulnerabilities-fixed third-party-advisory
assets.contentstack.io/v3/assets/blte4f029e766e6b253/blt6495b3c6adf2867f/685aa980a26c5e2b1026969c/vulnerability-disclosure-whitepaper.pdf technical-description
support.brother.com/g/b/link.aspx?prod=group2&faqid=faq00100846_000 vendor-advisory
support.brother.com/g/b/link.aspx?prod=group2&faqid=faq00100848_000 vendor-advisory
support.brother.com/g/b/link.aspx?prod=lmgroup1&faqid=faqp00100620_000 vendor-advisory
www.toshibatec.com/information/20250625_02.html vendor-advisory
www.konicaminolta.com/global-en/security/advisory/pdf/km-2025-0001.pdf vendor-advisory
github.com/rapid7/metasploit-framework/pull/20349 exploit
github.com/sfewer-r7/BrotherVulnerabilities exploit
github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-51978.yaml exploit

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.