CVE-2026-9259
Analyzed Analyzed - Analysis Complete

Improper Certificate Validation in Canon EOS Network Setting Tool

Publication date: 2026-06-16

Last updated on: 2026-06-18

Assigner: Canon Inc.

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

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Meta Information

Published
2026-06-16
Last Modified
2026-06-18
Generated
2026-07-06
AI Q&A
2026-06-16
EPSS Evaluated
2026-07-05
NVD
CVE-2026-9259
EUVD
EUVD-2026-37019

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
canon eos_network_setting_tool to 1.5.1 (exc)

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 improper validation of server certificates in Canon EOS Network Setting Tool Version 1.5.0 or earlier. Essentially, the software does not correctly verify the authenticity of server certificates, which can lead to security issues.

Impact Analysis

Because the software improperly validates server certificates, an attacker could potentially perform man-in-the-middle attacks or connect to malicious servers posing as legitimate ones. This could lead to exposure of sensitive information or unauthorized access.

Mitigation Strategies

To mitigate the vulnerability in the EOS Network Setting Tool (Version 1.5.0 or earlier), users should update the EOS Utility software to the latest version.

  • Update EOS Utility to version 3.20.21 or later.
  • Ensure that the EOS Network Setting Tool included in EOS Utility is no longer at version 1.5.0 or earlier.

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