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CVE-2024-51978

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

Published: Jun 25, 2025Updated: Jul 25, 2025 Sources: CVE List NVDCWE-1391
9.8CRITICAL
NVD MITRE
EPSS Score
23.6%
Top 2.5%
CISA KEV
Not in KEV
Exploits
3 Known
Remediation
No Fix Available

Description

An unauthenticated attacker who knows the target device's serial number, can generate the default administrator password for the device. An unauthenticated attacker can first discover the target device's serial number via CVE-2024-51977 over HTTP/HTTPS/IPP, or via a PJL request, or via an SNMP request.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-1391

Affected Products

DCP-J928N-W/BBrother Industries, LtdHardware Firmware
MFC-J1800DW (Europe)Brother Industries, LtdHardware Firmware
MFC-J1800DW (USA)Brother Industries, LtdHardware Firmware
MFC-J4340DWEBrother Industries, LtdHardware Firmware
MFC-J4345DWXLBrother Industries, LtdHardware Firmware
brother industries, ltdcommercialJPHardware Firmwareaka brother
and 600 more affected products View all →

Exploitability

3 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Am I actually vulnerable?1 Nuclei template available — see how to check your systems. How to verify Rather we check it for you?We'll check your whole external perimeter for exposure — free. Check my exposure

References

https://www.rapid7.com/blog/post/multiple-brother-devices-multiple-vulnerabilities-fixed
rapid7.com
https://assets.contentstack.io/v3/assets/blte4f029e766e6b253/blt6495b3c6adf2867f/685aa980a26c5e2b1026969c/vulnerability-disclosure-whitepaper.pdf
assets.contentstack.io
https://github.com/rapid7/metasploit-framework/pull/20349
github.com
and 10 more references View all →

Timeline

Published
Jun 25, 2025
Last Updated
Jul 25, 2025

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