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Vulnerability record · CVE-2026-9261 · published 16 June 2026

CVE-2026-9261: Canon eos network setting tool broken cryptographic algorithm vulnerability

Canon · Eos Network Setting Tool

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

7.6 CVSS 4.0 High EPSS 0.32% · top 77.3% CWE-327 · Broken cryptographic algorithm
7.6CVSS 4.0 base score
0.32%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
18 Jun 2026Last modified by NVD

Description

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

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://canon.jp/support/support-info/260615vulnerability-response Vendor Advisory
https://psirt.canon/advisory-information/cp2026-005/ Vendor Advisory
https://www.canon-europe.com/support/product-security/ Vendor Advisory
https://www.usa.canon.com/about-us/to-our-customers/cpa2026-005-vulnerability-remediation-for-eos-network-setting-tool Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.1CVE-2026-9262Canon eos network setting tool insecure default initialization vulnerabilityUse of a non-secure protocol as the default FTP configuration in Canon EOS Network Setting Tool Version 1.5.0 or earlierEPSS 0.46%7.1CVE-2026-9258Canon eos network setting tool improper certificate validation vulnerabilityImproper validation of SSH host keys in Canon EOS Network Setting Tool Version 1.5.0 or earlierEPSS 0.50%7.1CVE-2026-9259Canon eos network setting tool improper certificate validation vulnerabilityImproper validation of server certificates in Canon EOS Network Setting Tool Version 1.5.0 or earlierEPSS 0.35%6.9CVE-2026-9260Canon eos network setting tool hard-coded credentials vulnerabilityUse of hard-coded cryptographic keys in Canon EOS Network Setting Tool Version 1.5.0 or earlierEPSS 0.42%

Source: NIST National Vulnerability Database (record CVE-2026-9261), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.