Vulnerability-Lookup

JVNDB-2026-019941

Vulnerability from jvndb - Published: 2026-06-17 05:08 - Updated:2026-06-17 05:08

Severity

6.5 (Medium) - cvssV3_0 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Summary

Multiple vulnerabilities in Canon EOS Network Setting Tool

Details

FTP/FTPS/SFTP Communication Testing features of PC Software EOS Network Setting Tool provided by Canon Inc. contain multiple vulnerabilities listed below.

Improper validation of SSH host key (CWE-295) - CVE-2026-9258
Improper validation of server certificate (CWE-295) - CVE-2026-9259
Use of hard-coded cryptographic key (CWE-321) - CVE-2026-9260
Use of a vulnerable SSH encryption algorithm (CWE-327) - CVE-2026-9261
Default FTP connection settings use an insecure protocol (CWE-1188) - CVE-2026-9262

Canon Inc. reported these vulnerabilities to JPCERT/CC to notify users of the solutions through JVN.

References

Type

URL

	JVN	https://jvn.jp/en/vu/JVNVU98100934/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-9258
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-9259
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-9260
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-9261
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-9262
	Insecure Default Initialization of Resource(CWE-1188)	https://cwe.mitre.org/data/definitions/1188.html
	Improper Certificate Validation(CWE-295)	https://cwe.mitre.org/data/definitions/295.html
	Use of Hard-coded Cryptographic Key(CWE-321)	https://cwe.mitre.org/data/definitions/321.html
	Use of a Broken or Risky Cryptographic Algorithm(CWE-327)	https://cwe.mitre.org/data/definitions/327.html

Impacted products

Vendor

Product

Canon Inc.

PC Software EOS Network Setting Tool

Show details on JVN DB website

JSON

To clipboard

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  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-019941.html",
  "dc:date": "2026-06-17T14:08+09:00",
  "dcterms:issued": "2026-06-17T14:08+09:00",
  "dcterms:modified": "2026-06-17T14:08+09:00",
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  ],
  "title": "Multiple vulnerabilities in Canon EOS Network Setting Tool"
}

CVE-2026-9258 (GCVE-0-2026-9258)

Vulnerability from cvelistv5 – Published: 2026-06-15 23:35 – Updated: 2026-06-16 12:47

Summary

Improper validation of SSH host keys in Canon EOS Network Setting Tool Version 1.5.0 or earlier

Severity

7.1 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-16 12:47 UTC

CWE

CWE-295 - Improper certificate validation

Assigner

Canon jpcert root

References

4 references

URL	Tags
https://psirt.canon/advisory-information/cp2026-005/	vendor-advisory
https://canon.jp/support/support-info/260615vulne…	vendor-advisory
https://www.usa.canon.com/about-us/to-our-custome…	vendor-advisory
https://www.canon-europe.com/support/product-security/	vendor-advisory

Impacted products

2 products

Vendor	Product	Version
Canon Inc.	EOS Network Setting Tool for Windows	Affected: 1.5.0 or earlier
Canon Inc.	EOS Network Setting Tool for macOS	Affected: 1.5.0 or earlier

Credits

This issue was discovered by Ryan Hausknecht (@haus3c)

Show details on NVD website

JSON

To clipboard

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CVE-2026-9259 (GCVE-0-2026-9259)

Vulnerability from cvelistv5 – Published: 2026-06-15 23:36 – Updated: 2026-06-16 12:43

Summary

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

Severity

7.1 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-16 12:43 UTC

CWE

CWE-295 - Improper certificate validation

Assigner

Canon jpcert root

References

4 references

URL	Tags
https://psirt.canon/advisory-information/cp2026-005/	vendor-advisory
https://canon.jp/support/support-info/260615vulne…	vendor-advisory
https://www.usa.canon.com/about-us/to-our-custome…	vendor-advisory
https://www.canon-europe.com/support/product-security/	vendor-advisory

Impacted products

2 products

Vendor	Product	Version
Canon Inc.	EOS Network Setting Tool for Windows	Affected: 1.5.0 or earlier
Canon Inc.	EOS Network Setting Tool for macOS	Affected: 1.5.0 or earlier

Credits

This issue was discovered by Ryan Hausknecht (@haus3c)

Show details on NVD website

JSON

To clipboard

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CVE-2026-9260 (GCVE-0-2026-9260)

Vulnerability from cvelistv5 – Published: 2026-06-15 23:38 – Updated: 2026-06-16 12:41

Summary

Use of hard-coded cryptographic keys in Canon EOS Network Setting Tool Version 1.5.0 or earlier

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

6.2 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-16 12:41 UTC

CWE

CWE-321 - Use of hard-coded cryptographic key

Assigner

Canon jpcert root

References

4 references

URL	Tags
https://psirt.canon/advisory-information/cp2026-005/	vendor-advisory
https://canon.jp/support/support-info/260615vulne…	vendor-advisory
https://www.usa.canon.com/about-us/to-our-custome…	vendor-advisory
https://www.canon-europe.com/support/product-security/	vendor-advisory

Impacted products

2 products

Vendor	Product	Version
Canon Inc.	EOS Network Setting Tool for Windows	Affected: 1.5.0 or earlier
Canon Inc.	EOS Network Setting Tool for macOS	Affected: 1.5.0 or earlier

Credits

This issue was discovered by Ryan Hausknecht (@haus3c)

Show details on NVD website

JSON

To clipboard

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CVE-2026-9261 (GCVE-0-2026-9261)

Vulnerability from cvelistv5 – Published: 2026-06-15 23:39 – Updated: 2026-06-18 03:55

Summary

Use of weak SSH cryptographic algorithms in Canon EOS Network Setting Tool Version 1.5.0 or earlier

Severity

7.6 (High)


                        
                          CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

6.8 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-17 00:00 UTC

CWE

CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

Assigner

Canon jpcert root

References

4 references

URL	Tags
https://psirt.canon/advisory-information/cp2026-005/	vendor-advisory
https://canon.jp/support/support-info/260615vulne…	vendor-advisory
https://www.usa.canon.com/about-us/to-our-custome…	vendor-advisory
https://www.canon-europe.com/support/product-security/	vendor-advisory

Impacted products

2 products

Vendor	Product	Version
Canon Inc.	EOS Network Setting Tool for Windows	Affected: 1.5.0 or earlier
Canon Inc.	EOS Network Setting Tool for macOS	Affected: 1.5.0 or earlier

Credits

This issue was discovered by Ryan Hausknecht (@haus3c)

Show details on NVD website

JSON

To clipboard

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CVE-2026-9262 (GCVE-0-2026-9262)

Vulnerability from cvelistv5 – Published: 2026-06-15 23:40 – Updated: 2026-06-16 15:01

Summary

Use of a non-secure protocol as the default FTP configuration in Canon EOS Network Setting Tool Version 1.5.0 or earlier

Severity

7.1 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-16 15:01 UTC

CWE

CWE-1188 - Initialization of a resource with an insecure default

Assigner

Canon jpcert root

References

4 references

URL	Tags
https://psirt.canon/advisory-information/cp2026-005/	vendor-advisory
https://canon.jp/support/support-info/260615vulne…	vendor-advisory
https://www.usa.canon.com/about-us/to-our-custome…	vendor-advisory
https://www.canon-europe.com/support/product-security/	vendor-advisory

Impacted products

2 products

Vendor	Product	Version
Canon Inc.	EOS Network Setting Tool for Windows	Affected: 1.5.0 or earlier
Canon Inc.	EOS Network Setting Tool for macOS	Affected: 1.5.0 or earlier

Credits

This issue was discovered by Ryan Hausknecht (@haus3c)

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

JVNDB-2026-019941

CVE-2026-9258 (GCVE-0-2026-9258)

CVE-2026-9259 (GCVE-0-2026-9259)

CVE-2026-9260 (GCVE-0-2026-9260)

CVE-2026-9261 (GCVE-0-2026-9261)

CVE-2026-9262 (GCVE-0-2026-9262)

Tags

Sightings

Nomenclature

Related by attack behaviour