What’s Vulnerable › Vulnerabilities

CVE-2026-9259

• Severity: critical (CVSS 9.8 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: 2026-06-16 · updated 2026-06-18
• Weakness: CWE-295

Description

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

Affected products

• Canon Eos Network Setting Tool: before 1.5.1 — fixed in 1.5.1

How to fix

Upgrade to a fixed version: Canon Eos Network Setting Tool 1.5.1. Check the vendor advisory for mitigations.

References

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

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