Published:2026/06/16 Last Updated:2026/06/16
JVNVU#98100934
Multiple vulnerabilities in Canon EOS Network Setting Tool
Overview
PC Software EOS Network Setting Tool provided by Canon Inc. contains multiple vulnerabilities.
Products Affected
- PC Software EOS Network Setting Tool (For Windows) Versions 1.5.0 and earlier
- PC Software EOS Network Setting Tool (For macOS) Versions 1.5.0 and earlier
Description
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)
- 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 Base Score 7.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Base Score 6.5
- CVE-2026-9258
- Improper validation of server certificate (CWE-295)
- 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 Base Score 7.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Base Score 6.5
- CVE-2026-9259
- Use of hard-coded cryptographic key (CWE-321)
- 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 Base Score 6.9
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Base Score 6.2
- CVE-2026-9260
- Use of a vulnerable SSH encryption algorithm (CWE-327)
- 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 Base Score 7.6
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N Base Score 6.8
- CVE-2026-9261
- Default FTP connection settings use an insecure protocol (CWE-1188)
- 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 Base Score 7.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Base Score 6.5
- CVE-2026-9262
Impact
Credentials used for FTP/FTPS/SFTP communication test functions may be obtained.
Solution
Update the Software
Update the software to the latest version according to the information provided by the developer.
Vendor Status
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
Credit
Canon Inc. reported these vulnerabilities to JPCERT/CC to notify users of the solutions through JVN.