Vulnerability · Published Oct 21, 2025 · Assigned by wolfSSL

CVE-2025-11625Host verification bypass and credential leak

Critical 9.4

In plain English

A critical-severity improper authentication in wolfSSH from wolfSSL. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).

Severity (CVSS 4.0)9.4Critical
Exploit odds (30 days)0.4%top 62.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

VendorProductVersions
wolfSSL wolfSSH 1.4.20;0

Weakness: CWE-287 · 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

References