CVE-2025-11625

Host verification bypass and credential leak

Published Oct 21, 2025 CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
Description
Improper host authentication vulnerability in wolfSSH version 1.4.20 and earlier clients that allows authentication bypass and leaking of clients credentials.

Remediation

Vendor Solution

Applying this patch ( https://patch-diff.githubusercontent.com/raw/wolfSSL/wolfssh/pull/840.diff ) to versions 1.4.20 and older or updating version of wolfSSH used.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:wolfssh:wolfssh:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Wolfssh
Wolfssh wolfssh
Vendors & Products Wolfssh
Wolfssh wolfssh
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper host authentication vulnerability in wolfSSH version 1.4.20 and earlier clients that allows authentication bypass and leaking of clients credentials.
Title Host verification bypass and credential leak
Weaknesses CWE-287
References
Metrics cvssV4_0

{'score': 9.4, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/AU:Y/U:Red'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
wolfSSL
Published
Updated
Jan 6, 2026, 5:45 PM
Reserved
Oct 10, 2025, 9:06 PM
Status
Analyzed
Published
Oct 21, 2025, 2:15 PM
Modified
Oct 19, 2026, 4:10 PM