CVE-2026-9261: CWE-327: Use of a Broken or Risky Cryptographic Algorithm in Canon Inc. EOS Network Setting Tool for Windows
CVE-2026-9261 is a vulnerability in Canon Inc.'s EOS Network Setting Tool for Windows, version 1.5.0 or earlier, involving the use of weak SSH cryptographic algorithms. This weakness can compromise the security of SSH communications by relying on broken or risky cryptographic methods. The vulnerability has a high severity rating with a CVSS score of 7.6. No specific patch or remediation guidance is currently provided by the vendor.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-9261) affects Canon EOS Network Setting Tool for Windows versions 1.5.0 and earlier. It involves the use of weak SSH cryptographic algorithms, classified under CWE-327 (Use of a Broken or Risky Cryptographic Algorithm). The weakness could allow attackers to compromise the confidentiality and integrity of SSH sessions established by the tool. The CVSS 4.0 vector indicates network attack vector, high attack complexity, no privileges required, user interaction required, and high impact on confidentiality and integrity. No official patch or remediation level has been disclosed by Canon as of the publication date.
Potential Impact
The use of weak SSH cryptographic algorithms can lead to the compromise of SSH session confidentiality and integrity, potentially allowing attackers to intercept or manipulate communications. Given the high CVSS score (7.6), the impact is significant but requires user interaction and has high attack complexity. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should consider limiting the use of the affected tool or employing additional network-level protections to mitigate risk. Monitor official Canon communications for updates on patches or mitigations.
CVE-2026-9261: CWE-327: Use of a Broken or Risky Cryptographic Algorithm in Canon Inc. EOS Network Setting Tool for Windows
Description
CVE-2026-9261 is a vulnerability in Canon Inc.'s EOS Network Setting Tool for Windows, version 1.5.0 or earlier, involving the use of weak SSH cryptographic algorithms. This weakness can compromise the security of SSH communications by relying on broken or risky cryptographic methods. The vulnerability has a high severity rating with a CVSS score of 7.6. No specific patch or remediation guidance is currently provided by the vendor.
CVSS v4.0
Score 7.6high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-9261) affects Canon EOS Network Setting Tool for Windows versions 1.5.0 and earlier. It involves the use of weak SSH cryptographic algorithms, classified under CWE-327 (Use of a Broken or Risky Cryptographic Algorithm). The weakness could allow attackers to compromise the confidentiality and integrity of SSH sessions established by the tool. The CVSS 4.0 vector indicates network attack vector, high attack complexity, no privileges required, user interaction required, and high impact on confidentiality and integrity. No official patch or remediation level has been disclosed by Canon as of the publication date.
Potential Impact
The use of weak SSH cryptographic algorithms can lead to the compromise of SSH session confidentiality and integrity, potentially allowing attackers to intercept or manipulate communications. Given the high CVSS score (7.6), the impact is significant but requires user interaction and has high attack complexity. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should consider limiting the use of the affected tool or employing additional network-level protections to mitigate risk. Monitor official Canon communications for updates on patches or mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Canon
- Date Reserved
- 2026-05-21T23:14:53.345Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3092290b89be6888c14f67
Added to database: 6/16/2026, 12:00:41 AM
Last enriched: 6/16/2026, 12:15:14 AM
Last updated: 6/16/2026, 1:14:41 AM
Views: 3
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