CVE-2025-14942— Authentication Bypass
Quick assessment
Affected
wolfSSL wolfSSH
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
wolfSSH是wolfSSL开源的一个小型、快速、可移植的 SSH 实现，包括对 SCP 和 SFTP 的支持。 wolfSSH 1.4.21及之前版本存在安全漏洞，该漏洞源于密钥交换状态机可被操纵，可能导致客户端密码泄露、发送虚假签名或跳过用户身份验证。
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2025-14942
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Authentication Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
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 wolfSSH version 1.4.21 and earlier. Users of wolfSSH must update or apply the fix patch and it’s recommended to update credentials used. This fix is also recommended for wolfSSH server applications. While there aren’t any specific attacks on server applications, the same defect is present. Thanks to Aina Toky Rasoamanana of Valeo and Olivier Levillain of Telecom SudParis for the report.
Source: CVE Program / CVE List V5
CVSS Information
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/U:Red
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
wolfSSH 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
wolfSSH是wolfSSL开源的一个小型、快速、可移植的 SSH 实现，包括对 SCP 和 SFTP 的支持。 wolfSSH 1.4.21及之前版本存在安全漏洞，该漏洞源于密钥交换状态机可被操纵，可能导致客户端密码泄露、发送虚假签名或跳过用户身份验证。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2025-14942
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2025-14942
请登录查看更多情报信息。
Patches & Fixes for CVE-2025-14942 (1)
IV. Related Vulnerabilities
Same product: wolfSSH
-
CVE-2026-84897
wolfSSH server accepts server-to-client DH group exchange me -
CVE-2026-83742
wstrncat() unsigned integer underflow leads to an off-by-one -
CVE-2026-83540
wolfSSHd on Windows race condition leading to logon token re -
CVE-2026-81535
wolfSSH SSH client accepts unsolicited forwarded-tcpip chann -
CVE-2026-16516
wolfSSH ECDSA host key curve not validated against negotiate
Same vendor: wolfSSL
-
CVE-2026-83540
wolfSSHd on Windows race condition leading to logon token re -
CVE-2026-15442
Heap use-after-free on read during bidirectional (D)TLS shut -
CVE-2026-89102
OCSP stapling v2 multi accepts non-CA chain certificates as -
CVE-2026-89133
NameConstraints not enforced across unconstrained intermedia -
CVE-2026-89134
Subject CN name-constraint check bypassed when non-DNS SAN p
Same weakness: CWE-287
-
CVE-2026-83540
wolfSSHd on Windows race condition leading to logon token re -
CVE-2026-106488
Backstage: Improper authentication in the OIDC provider -
CVE-2026-106460
Backstage: Explicit negative email verification can be ignor -
CVE-2026-106457
Backstage: Insufficient audience validation in the Cloudflar -
CVE-2026-73278
Gitea WebAuthn bypass during OAuth and OIDC sign-in
V. Comments for CVE-2025-14942
No comments yet