CVE-2025-53869
Unknown Unknown - Not Provided
Improper Certificate Validation in Brother MFPs Enables MITM Attacks

Publication date: 2026-01-29

Last updated on: 2026-01-29

Assigner: JPCERT/CC

Description
Multiple MFPs provided by Brother Industries, Ltd. does not properly validate server certificates, which may allow a man-in-the-middle attacker to replace the set of root certificates used by the product with a set of arbitrary certificates.
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Meta Information
Published
2026-01-29
Last Modified
2026-01-29
Generated
2026-06-16
AI Q&A
2026-01-29
EPSS Evaluated
2026-06-15
NVD
CVE-2025-53869
EUVD
EUVD-2025-206522
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
brother_industries multiple_mfps *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-295 The product does not validate, or incorrectly validates, a certificate.
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Executive Summary

This vulnerability involves multiple Brother Industries MFPs that do not properly validate server certificates. This flaw may allow a man-in-the-middle attacker to replace the set of root certificates used by the product with arbitrary certificates.

Impact Analysis

The vulnerability could allow an attacker to perform man-in-the-middle attacks by substituting trusted root certificates with arbitrary ones, potentially leading to unauthorized interception or manipulation of communications with the affected MFPs.

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