Improper validation of server certificates in Canon EOS Network Setting Tool Version 1.5.0 or earlier

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Canon Inc. EOS Network Setting Tool for Windows unaffected
Version Status Constraints
1.5.0 or earlier affected —
Canon Inc. EOS Network Setting Tool for macOS unaffected
Version Status Constraints
1.5.0 or earlier affected —

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://canon.jp/support/support-info/260615vulnerability-response cve-icon cve-icon
https://psirt.canon/advisory-information/cp2026-005/ cve-icon cve-icon
https://www.canon-europe.com/support/product-security/ cve-icon cve-icon
https://www.usa.canon.com/about-us/to-our-customers/cpa2026-005-vulnerability-remediation-for-eos-network-setting-tool cve-icon cve-icon
History

Tue, 16 Jun 2026 00:00:00 +0000

Type Values Removed Values Added
Description Improper validation of server certificates in Canon EOS Network Setting Tool Version 1.5.0 or earlier
Weaknesses CWE-295
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Canon

Published:

Updated: 2026-06-15T23:36:28.761Z

Reserved: 2026-05-21T23:14:50.204Z

Link: CVE-2026-9259

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-06-16T00:16:35.623

Modified: 2026-06-16T00:16:35.623

Link: CVE-2026-9259

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses