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    CVE-2024-51978

    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.

    Published:Jun 25, 2025
    Last Modified:Apr 15, 2026
    EPS:Jun 25, 2025
    EPSS Score:0.48343
    CVSS Score:9.8

    Affected Products

    No affected product recorded yet

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-1391 Use of Weak Credentials

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    References

    https://assets.contentstack.io/v3/assets/blte4f029e766e6b253/blt6495b3c6adf2867f/685aa980a26c5e2b1026969c/vulnerability-disclosure-whitepaper.pdf
    https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-51978.yaml
    https://github.com/rapid7/metasploit-framework/pull/20349
    https://github.com/sfewer-r7/BrotherVulnerabilities
    https://support.brother.com/g/b/link.aspx?prod=group2&faqid=faq00100846_000
    https://support.brother.com/g/b/link.aspx?prod=group2&faqid=faq00100848_000
    https://support.brother.com/g/b/link.aspx?prod=lmgroup1&faqid=faqp00100620_000
    https://www.konicaminolta.com/global-en/security/advisory/pdf/km-2025-0001.pdf
    https://www.rapid7.com/blog/post/multiple-brother-devices-multiple-vulnerabilities-fixed
    https://www.toshibatec.com/information/20250625_02.html
    https://www.bleepingcomputer.com/news/security/brother-printer-bug-in-689-models-exposes-default-admin-passwords/
    https://www.darkreading.com/endpoint-security/millions-brother-printers-critical-unpatchable-bug
    https://www.securityweek.com/new-vulnerabilities-expose-millions-of-brother-printers-to-hacking/
    https://assets.contentstack.io/v3/assets/blte4f029e766e6b253/blt6495b3c6adf2867f/685aa980a26c5e2b1026969c/vulnerability-disclosure-whitepaper.pdf

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High