Vulnerability · Published Feb 12, 2026 · Assigned by mitre

CVE-2025-70314

Critical 9.8

In plain English

A critical-severity buffer overflow in the affected software. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)0.5%top 56.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://github.com/ourway/webfsd
https://gist.github.com/Err0rzz/3afe49f54e1121b8a08a69801b61cfcc