How severe is CVE-2018-25226?

CVE-2018-25226 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-25226 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-25226?

CVE-2018-25226 affects Ftpshell Ftpshell Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-25226?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2018-25226 have an EU (EUVD) identifier?

Yes. CVE-2018-25226 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21710.

When was CVE-2018-25226 published?

CVE-2018-25226 was published on 2026-03-30 and last updated on 2026-06-17.

CVE-2018-25226

CVE-2018-25226 is a medium-severity vulnerability in Ftpshell Ftpshell Server with a CVSS 3.x base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Medium (CVSS 3.x base score 6.2)
CVSS v4: 6.9
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2018-21710
Weakness: CWE-787
Affected product: Ftpshell Ftpshell Server
Published: 2026-03-30
Last modified: 2026-06-17

Description

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 417-byte payload into the 'Account name to ban' parameter within the Manage FTP Accounts interface.

Frequently asked questions

What is 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 417-byte payload into the 'Account name to ban' parameter within the Manage FTP Accounts interface.
How severe is CVE-2018-25226?: CVE-2018-25226 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-25226 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-25226?: CVE-2018-25226 affects Ftpshell Ftpshell Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-25226?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2018-25226 have an EU (EUVD) identifier?: Yes. CVE-2018-25226 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21710.
When was CVE-2018-25226 published?: CVE-2018-25226 was published on 2026-03-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ftpshell:ftpshell_server:6.83:*:*:*:*:*:*:*

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