Improper validation of SSH host keys in Canon EOS Network Setting Tool Version 1.5.0 or earlier
Priority LOW 37CWE-295Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-295.
Summary
Improper validation of SSH host keys in Canon EOS Network Setting Tool Version 1.5.0 or earlier
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00267 18th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Canon Inc. | EOS Network Setting Tool for Windows | up to 1.5.0 | — | No fix listed | CNA |
| Canon Inc. | EOS Network Setting Tool for macOS | up to 1.5.0 | — | No fix listed | CNA |
- EOS Network Setting Tool for Windows VendorCanon Inc. Affected up to 1.5.0 Fixed in — No fix listed CNA
- EOS Network Setting Tool for macOS VendorCanon Inc. Affected up to 1.5.0 Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:canon:eos_network_setting_tool:*:*:*:*:*:*:*:* | before 1.5.1 | Vulnerable | Canon Inc. |
| cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Apple |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:canon:eos_network_setting_tool:*:*:*:*:*:*:*:* Versions before 1.5.1 Vulnerable ·Canon Inc.
- cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Canon EOS Network Setting Tool for Windows, EOS Network Setting Tool for macOS — canon.jp/support/support-info/260615vulnerability-response
5 records Highest priority Priority LOW 5 LOW
Other records, highest priority first
- TI-2026-08134 Improper validation of server certificates in Canon EOS Network Setting Tool Version 1.5.0 or earlierPriority LOW 37
- TI-2026-08136 Use of weak SSH cryptographic algorithms in Canon EOS Network Setting Tool Version 1.5.0 or earlierPriority LOW 34
- TI-2026-08137 Use of a non-secure protocol as the default FTP configuration in Canon EOS Network Setting Tool Version 1.5.0 or earlierPriority LOW 31
- Advisory ·
Canon EOS Network Setting Tool for Windows, EOS Network Setting Tool for macOS — psirt.canon/advisory-information/cp2026-005
5 records Highest priority Priority LOW 5 LOW
Other records, highest priority first
- TI-2026-08134 Improper validation of server certificates in Canon EOS Network Setting Tool Version 1.5.0 or earlierPriority LOW 37
- TI-2026-08136 Use of weak SSH cryptographic algorithms in Canon EOS Network Setting Tool Version 1.5.0 or earlierPriority LOW 34
- TI-2026-08137 Use of a non-secure protocol as the default FTP configuration in Canon EOS Network Setting Tool Version 1.5.0 or earlierPriority LOW 31
Show 1 more group
- Advisory ·
Canon EOS Network Setting Tool for Windows, EOS Network Setting Tool for macOS — usa.canon.com/about-us/to-our-customers/cpa2026-005-vulnera…
5 records Highest priority Priority LOW 5 LOW
Other records, highest priority first
- TI-2026-08134 Improper validation of server certificates in Canon EOS Network Setting Tool Version 1.5.0 or earlierPriority LOW 37
- TI-2026-08136 Use of weak SSH cryptographic algorithms in Canon EOS Network Setting Tool Version 1.5.0 or earlierPriority LOW 34
- TI-2026-08137 Use of a non-secure protocol as the default FTP configuration in Canon EOS Network Setting Tool Version 1.5.0 or earlierPriority LOW 31
Timeline
- 2026-10-02 Threatist record created from CVE-2026-9258
- 2026-10-03 Alias added: GHSA-98v4-mv97-2f2x
References
Advisory 4
More Canon Inc. Eos Network Setting Tool vulnerabilities
- TI-2026-08134 Improper validation of server certificates in Canon EOS Network Setting Tool Version 1.5.0 or earlier CVSS 4.0HIGH 7.1
- TI-2026-08136 Use of weak SSH cryptographic algorithms in Canon EOS Network Setting Tool Version 1.5.0 or earlier CVSS 4.0HIGH 7.6
- TI-2026-08137 Use of a non-secure protocol as the default FTP configuration in Canon EOS Network Setting Tool Version 1.5.0 or earlier CVSS 4.0HIGH 7.1
- TI-2026-08135 Use of hard-coded cryptographic keys in Canon EOS Network Setting Tool Version 1.5.0 or earlier CVSS 4.0MEDIUM 6.9
Sources
- CVE-2026-9258 · CVE Program
- CVE-2026-9258 · NVD
- FIRST EPSS
- GHSA-98v4-mv97-2f2x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences