Information disclosure in Wolfssl
CVE-2025-7394
In the OpenSSL compatibility layer implementation, the function RAND_poll() was not behaving as expected and leading to the potential for predictable values returned from RAND_bytes() after fork() is called. This can lead to weak or predic…
Vulnerability class: Information Disclosure
EPSS: 0.004 (30.5th 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
- Wolfssl — versions 3.15.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- facts@wolfssl.com (Release Notes)
Frequently asked questions
- What is CVE-2025-7394?
- CVE-2025-7394 is a critical-severity vulnerability in Wolfssl, classified under Information Disclosure. CVSS score: 9.8/10. Published 2025-07-18.
- How severe is CVE-2025-7394?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-7394 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.