6.3

CVE-2025-53869: brother industries, ltd. multiple mfps Improper Certificate Validation

CVSS: 6.3v4.0MediumDeferred
Published 29-01-2026Last modified 29-01-2026
Open JSON

Vulnerability summary

CVE-2025-53869 is a medium (CVSS 6.3) Improper Certificate Validation vulnerability in brother industries, ltd. multiple mfps. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 4.1% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.3/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.15%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 29-01-2026
    PublishedVulnerability first disclosed.
  2. 29-01-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.15%

Chance of exploitation in the next 30 days

Percentile

4%

Versus all other CVEs

30-day change

+0.01 pp

From 0.14% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.15%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Brother industries, ltd.1 product
Konica minolta, inc.1 product
Ricoh company, ltd.1 product

3 vendors · 3 products

References

4 links