Buffer overflow in Ourway Webfsd

CVE-2025-70314

webfsd 1.21 is vulnerable to a Buffer Overflow via a crafted request. This is due to the filename variable

Vulnerability class: Buffer Overflow

EPSS: 0.004 (35.8th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-70314?
CVE-2025-70314 is a critical-severity vulnerability in Ourway Webfsd, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2026-02-12.
How severe is CVE-2025-70314?
Critical severity. CVSS v3 base score is 9.8 out of 10.