What is CVE-2018-25226?

CVE-2018-25226 is a medium-severity vulnerability in Ftpshell Server, classified under Out-of-bounds Write. CVSS score: 6.2/10. Published 2026-03-30.

How severe is CVE-2018-25226?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Buffer overflow in Ftpshell Server

CVE-2018-25226

FTPShell Server 6.83 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an excessively long string in the account name field. Attackers can trigger a denial of service by pasting a 41…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (4.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Ftpshell Server — versions 6.83

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

ExploitDB-46430 (exploit)
Official Product Homepage (product)
Product Reference (product)
VulnCheck Advisory: FTPShell Server 6.83 Denial of Service via Account Name (third-party-advisory)

Frequently asked questions

What is CVE-2018-25226?: CVE-2018-25226 is a medium-severity vulnerability in Ftpshell Server, classified under Out-of-bounds Write. CVSS score: 6.2/10. Published 2026-03-30.
How severe is CVE-2018-25226?: Medium severity. CVSS v3 base score is 6.2 out of 10.