What’s Vulnerable › Vulnerabilities

CVE-2025-53869

• Severity: low (CVSS 3.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-29 · updated 2026-06-17
• Weakness: CWE-295

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.

Affected products

• Brother Industries, Ltd. Multiple MFPs: see the information provided by the vendor
• Konica Minolta, Inc. Multiple MFPs: see the information provided by the vendor
• Ricoh Company, Ltd. Multiple MFPs: see the information provided by the vendor

References

• https://faq.brother.co.jp/app/answers/detail/a_id/13716
• https://jvn.jp/en/vu/JVNVU92878805/
• https://www.konicaminolta.com/global-en/security/advisory/pdf/km-2026-0001.pdf
• https://www.ricoh.com/products/security/vulnerabilities/vul?id=ricoh-2026-000001

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