What is CVE-2025-14942?

CVE-2025-14942 is a critical-severity vulnerability in Wolfssh, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-01-06.

How severe is CVE-2025-14942?

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

Auth bypass in Wolfssh

CVE-2025-14942

wolfSSH’s key exchange state machine can be manipulated to leak the client’s password in the clear, trick the client to send a bogus signature, or trick the client into skipping user authentication. This affects client applications with wo…

Vulnerability class: Broken Authentication

EPSS: 0.004 (27.3th 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 0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

facts@wolfssl.com (Issue Tracking)

Frequently asked questions

What is CVE-2025-14942?: CVE-2025-14942 is a critical-severity vulnerability in Wolfssh, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-01-06.
How severe is CVE-2025-14942?: Critical severity. CVSS v3 base score is 9.8 out of 10.