The discovery of significant security vulnerabilities in numerous Brother printers highlights the critical need for users to change default passwords. Rapid7 identified eight vulnerabilities across 689 Brother printer models, one of which cannot be patched. The most severe vulnerability allows attackers to exploit the default admin password if they know the printer's serial number. While some issues can be resolved through firmware updates, a fundamental flaw will require manufacturing process changes for future models. Users are urged to proactively modify their printer's default passwords as a safeguard against potential attacks.
Serious security flaws have been found in hundreds of Brother printer models that could allow attackers to remotely access devices that are still using default passwords.
The most serious security flaw, tracked under CVE-2024-51978, has a 9.8 'Critical' CVSS rating and allows attackers to generate the device's default admin password.
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