CVE-2026-9258: High severity Canon EOS Network Setting Tool vulnerability
Published Jun 15, 2026
·Updated
Improper validation of SSH host keys in Canon EOS Network Setting Tool Version 1.5.0 or earlier
Affected Software
4 affected components
Canon EOS Network Setting Tool<=1.5.0
All of the following
Canon EOS Network Setting Tool<1.5.1
Any of the following
Apple macOS
Microsoft Windows
Event History
Jun 15, 2026
CVE Published
via MITRE·11:35 PM
Data Sourced
via MITRE·11:35 PM
DescriptionSeverityWeakness
Jun 16, 2026
Data Sourced
via NVD·12:16 AM
DescriptionSeverityWeaknessAffected Software
Nov 6, 58514
Event
via FIRST·12:48 AM
Frequently Asked Questions
1
What is the severity of CVE-2026-9258?
The severity of CVE-2026-9258 is medium with a score of 6.5.
2
What does CVE-2026-9258 involve?
CVE-2026-9258 involves improper validation of SSH host keys in Canon EOS Network Setting Tool Version 1.5.0 or earlier.
3
How do I fix CVE-2026-9258?
To fix CVE-2026-9258, update your Canon EOS Network Setting Tool to a version later than 1.5.0.
4
What systems are affected by CVE-2026-9258?
CVE-2026-9258 affects Canon EOS Network Setting Tool Version 1.5.0 and earlier.
5
Is CVE-2026-9258 a critical vulnerability?
No, CVE-2026-9258 is categorized as a medium severity vulnerability, not critical.