CVE-2026-9259: Canon Eos Network Setting Tool

Critical severity, CVSS 9.8. EPSS: 0.3% chance of exploitation in the next 30 days.

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)

Published 2026-06-16. Last modified 2026-06-18.