CVE-2026-9261 Weak cryptography in EOS Network Setting Tool for Windows
Weak SSH algorithms in Canon EOS Network Setting Tool allow attackers to bypass security controls, requiring users to upgrade the software.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-9261?
CVE-2026-9261 is a high-severity vulnerability in Canon Inc. EOS Network Setting Tool for Windows, published on 15 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Use of weak SSH cryptographic algorithms in Canon EOS Network Setting Tool Version 1.5.0 or earlier
Weakness: CWE-327
Which versions are affected by CVE-2026-9261?
It affects 1 product.
Products include Canon Eos Network Setting Tool.
How do I fix CVE-2026-9261?
No fix has been published for CVE-2026-9261 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-9261 being exploited?
There is no known exploitation of CVE-2026-9261 in the wild and no public exploit code.
Other vulnerabilities in Canon Inc. EOS Network Setting Tool for Windows
- CVE-2026-9258 Security feature bypass in EOS Network Setting Tool for Windows
- CVE-2026-9259 Security feature bypass in EOS Network Setting Tool for Windows
- CVE-2026-9262 Misconfiguration in EOS Network Setting Tool for Windows
- CVE-2026-9260 Hardcoded credentials in EOS Network Setting Tool for Windows
Sources
Also known as GHSA-7f48-x95j-2r8c.