CVE-2025-11625 Host verification bypass and credential leak
An attacker can bypass host verification and steal client credentials in wolfSSH clients, requiring an upgrade to secure the connection.
- 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-2025-11625?
CVE-2025-11625 is a critical authentication bypass vulnerability in wolfSSL wolfSSH, published on 21 Oct 2025. 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
Improper host authentication vulnerability in wolfSSH version 1.4.20 and earlier clients that allows authentication bypass and leaking of clients credentials.
Weakness: CWE-287
Which versions are affected by CVE-2025-11625?
It affects 1 product.
Products include Wolfssh Wolfssh.
How do I fix CVE-2025-11625?
No fix has been published for CVE-2025-11625 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-11625 being exploited?
There is no known exploitation of CVE-2025-11625 in the wild and no public exploit code.
Other vulnerabilities in wolfSSL wolfSSH
- CVE-2022-32073 Integer overflow in n/a
- CVE-2025-14942 Authentication Bypass
- CVE-2024-2873 User authentication bypass in wolfSSH server
- CVE-2026-16516 wolfSSH ECDSA host key curve not validated against negotiated algorithm
- CVE-2026-83540 wolfSSHd on Windows race condition leading to logon token reused across connections
Sources
Also known as GHSA-mhjf-4hv6-xqgr.