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Medium 6.5Published Jun 15, 2026
CVE-2026-9259Improper validation of server certificates in Canon EOS Network Setting Tool Version 1.5.0 or earlier
Updated under an hour ago ()
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It affects Canon Inc. EOS Network Setting Tool for Windows and 2 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Improper validation of server certificates in Canon EOS Network Setting Tool Version 1.5.0 or earlier
- CVSS
- 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-295
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Canon
- NVD analysis
- Analyzed
- Record last updated
- Jun 16, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Canon Inc. EOS Network Setting Tool for Windows canon:eos_network_setting_tool_for_windows (from the name) | 1.5.0 or earlier | CNA record |
Canon Inc. EOS Network Setting Tool for macOS canon:eos_network_setting_tool_for_macos (from the name) | 1.5.0 or earlier | CNA record |
canon eos_network_setting_tool canon:eos_network_setting_tool | before 1.5.1 | NVD |
References
- https://psirt.canon/advisory-information/cp2026-005/vendor-advisory
- https://canon.jp/support/support-info/260615vulnerability-responsevendor-advisory
- https://www.usa.canon.com/about-us/to-our-customers/cpa2026-005-vulnerability-remediation-for-eos-network-setting-toolvendor-advisory
- https://www.canon-europe.com/support/product-security/vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.