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VULNERABILITIES

CVE-2026-9258 Details

Description

Improper validation of SSH host keys in Canon EOS Network Setting Tool Version 1.5.0 or earlier

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA: Canon Inc.CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://canon.jp/support/support-info/260615vulnerability-response Canon Inc.Vendor Advisory
https://psirt.canon/advisory-information/cp2026-005/ Canon Inc.Vendor Advisory
https://www.canon-europe.com/support/product-security/ Canon Inc.Vendor Advisory
https://www.usa.canon.com/about-us/to-our-customers/cpa2026-005-vulnerability-remediation-for-eos-network-setting-tool Canon Inc.Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-295Improper Certificate ValidationCanon Inc.

Affected Products

ProductVersions
canon eos network setting tool
< 1.5.1

CPE

  • cpe:2.3:a:canon:eos_network_setting_tool:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
apple macos
All versions

CPE

  • cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
microsoft windows
All versions

CPE

  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-9258
NVD Published Date:
Jun 16, 2026
NVD Last Modified:
Jun 18, 2026
Source:
Canon Inc.
CVE-2026-9258 Details - Not Deferred