CVE-2024-51982

Description

An unauthenticated attacker who can connect to TCP port 9100 can issue a Printer Job Language (PJL) command that will crash the target device. The device will reboot, after which the attacker can reissue the command to repeatedly crash the device. A malformed PJL variable FORMLINES is set to a non number value causing the target to crash.

Reserved 2024-11-04 | Published 2025-06-25 | Updated 2025-06-25 | Assigner rapid7

Problem types

CWE-1286 Improper Validation of Syntactic Correctness of Input

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Credits

Stephen Fewer, Principal Security Researcher at Rapid7 finder

References

support.brother.com/...spx?prod=group2&faqid=faq00100846_000 vendor-advisory

www.rapid7.com/...her-devices-multiple-vulnerabilities-fixed third-party-advisory

assets.contentstack.io/...rability-disclosure-whitepaper.pdf technical-description

github.com/sfewer-r7/BrotherVulnerabilities exploit

cve.org (CVE-2024-51982)

nvd.nist.gov (CVE-2024-51982)

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