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CVE-2026-9261

Quick assessment

Affected
Canon Inc. EOS Network Setting Tool for Windows
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Canon EOS Network Setting Tool是日本Canon公司的一款嵌入式网络设置工具。 Canon EOS Network Setting Tool 1.5.0及之前版本存在安全漏洞，该漏洞源于使用了脆弱的SSH加密算法，可能导致未经身份验证的攻击者通过网络访问（需要高复杂度攻击，并用户交互）获取高机密性和高完整性影响。以下版本受到影响：EOS Network Setting Tool for Windows 1.5.0及之前版本和EOS Network Setting Tool fo

CVSS 6.8 · Medium EPSS 0.32% · P23

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle

Affected Version Matrix 2

VendorProduct Version RangeStatus
Canon Inc. EOS Network Setting Tool for macOS 1.5.0 or earlier affected
Canon Inc. EOS Network Setting Tool for Windows 1.5.0 or earlier affected
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I. Basic Information for CVE-2026-9261

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Use of weak SSH cryptographic algorithms in Canon EOS Network Setting Tool Version 1.5.0 or earlier
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用已被攻破或存在风险的密码学算法
Source: CVE Program / CVE List V5
Vulnerability Title
Canon EOS Network Setting Tool 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Canon EOS Network Setting Tool是日本Canon公司的一款嵌入式网络设置工具。 Canon EOS Network Setting Tool 1.5.0及之前版本存在安全漏洞，该漏洞源于使用了脆弱的SSH加密算法，可能导致未经身份验证的攻击者通过网络访问（需要高复杂度攻击，并用户交互）获取高机密性和高完整性影响。以下版本受到影响：EOS Network Setting Tool for Windows 1.5.0及之前版本和EOS Network Setting Tool fo
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Canon Inc. EOS Network Setting Tool for Windows 1.5.0 or earlier -
Canon Inc. EOS Network Setting Tool for macOS 1.5.0 or earlier -

II. Public POCs for CVE-2026-9261

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III. Intelligence Information for CVE-2026-9261

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Vendor Advisories for CVE-2026-9261 (3)

Same Patch Batch · Canon Inc. · 2026-06-15 · 5 CVEs total

CVE-2026-9259 6.5 MEDIUM Canon EOS Network Setting Tool 加密问题漏洞
CVE-2026-9262 6.5 MEDIUM Canon EOS Network Setting Tool 配置错误漏洞
CVE-2026-9258 6.5 MEDIUM Canon EOS Network Setting Tool 加密问题漏洞
CVE-2026-9260 6.2 MEDIUM Canon EOS Network Setting Tool 加密问题漏洞

IV. Related Vulnerabilities

Same product: EOS Network Setting Tool for Windows
Same vendor: Canon Inc.
Same weakness: CWE-327

V. Comments for CVE-2026-9261

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