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CVE-2024-51978

66
FAUCET Score

CVE-2024-51978 is a critical vulnerability affecting numerous Brother printer models, allowing an unauthenticated attacker to generate the default administrator password after discovering the device's serial number. This flaw carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. While not yet listed on CISA's KEV, public exploit modules for Metasploit and Nuclei are available, and the vulnerability has garnered significant community discussion and media coverage, indicating a high potential for active exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
Brother Industries, LtdADS-1250W
>= 0, <= R(3.75)CNA affecteddefault unaffected
Brother Industries, LtdADS-1350W
>= 0, <= C(1.06)CNA affecteddefault unaffected
Brother Industries, LtdADS-1700W
>= 0, <= R(3.75)CNA affecteddefault unaffected
Brother Industries, LtdADS-1800W
>= 0, <= C(1.06)CNA affecteddefault unaffected
Brother Industries, LtdADS-2700W
>= 0, <= M(4.28)CNA affecteddefault unaffected

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
23.64%
Probability of exploitation in next 30 days
EPSS Percentile
97.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: Multiple Brother devices authentication bypass via default administrator password generation · Jun 25, 2025
Nuclei: CVE-2024-51978 · Jun 29, 2025
This CVE's current EPSS score of 0.2364 is in the 94th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

bleepingcomputer.com / news/security/brother-printer-bug-in-689-models-exposes-default-admin-passwords
darkreading.com / endpoint-security/millions-brother-printers-critical-unpatchable-bug
securityweek.com / new-vulnerabilities-expose-millions-of-brother-printers-to-hacking
assets.contentstack.io / v3/assets/blte4f029e766e6b253/blt6495b3c6adf2867f/685aa980a26c5e2b1026969c/vulnerability-disclosure-whitepaper.pdf
github.com / projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-51978.yaml
github.com / rapid7/metasploit-framework/pull/20349
github.com / sfewer-r7/BrotherVulnerabilities
support.brother.com / g/b/link.aspx
support.brother.com / g/b/link.aspx
support.brother.com / g/b/link.aspx
konicaminolta.com / global-en/security/advisory/pdf/km-2025-0001.pdf
rapid7.com / blog/post/multiple-brother-devices-multiple-vulnerabilities-fixed
toshibatec.com / information/20250625_02.html