What is CVE-2025-11625?

CVE-2025-11625 is a critical-severity vulnerability in Wolfssh, classified under Improper Authentication. CVSS score: 9.8/10. Published 2025-10-21.

How severe is CVE-2025-11625?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Wolfssh

CVE-2025-11625

Improper host authentication vulnerability in wolfSSH version 1.4.20 and earlier clients that allows authentication bypass and leaking of clients credentials.

Vulnerability class: Broken Authentication

EPSS: 0.004 (33.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Wolfssh
Wolfssl Wolfssh — versions 1.4.20;0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

facts@wolfssl.com (Issue Tracking)

Frequently asked questions

What is CVE-2025-11625?: CVE-2025-11625 is a critical-severity vulnerability in Wolfssh, classified under Improper Authentication. CVSS score: 9.8/10. Published 2025-10-21.
How severe is CVE-2025-11625?: Critical severity. CVSS v3 base score is 9.8 out of 10.