Is there a public PoC exploit available for CVE-2018-25234?

Yes, a public proof-of-concept exploit is available for CVE-2018-25234. Prioritise patching immediately. EPSS: 0.0%.

Smartftp Client CVE-2018-25234

Q: What is the CVSS score of CVE-2018-25234?

CVE-2018-25234 has a CVSS 4.0 base score of 6.9 (Medium). CVSS vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

EUVD-2018-21726 MEDIUM

Return of Pointer Value Outside of Expected Range (CWE-466)

2026-03-30 VulnCheck

GHSA-qc7g-9546-gc47

Denial Of Service Smartftp Client

6.9

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

6.9 MEDIUM

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

PoC Detected

Apr 08, 2026 - 16:37 vuln.today

Public exploit code

EUVD ID Assigned

Mar 30, 2026 - 11:30 euvd

EUVD-2018-21726

CVE Published

Mar 30, 2026 - 11:02 nvd

MEDIUM 6.9

DescriptionCVE.org

SmartFTP Client 9.0.2615.0 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Host field. Attackers can paste a buffer of 300 repeated characters into the Host connection parameter to trigger an application crash.

AnalysisAI

SmartFTP Client 9.0.2615.0 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Host field. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-466. SmartFTP Client 9.0.2615.0 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Host field. Attackers can paste a buffer of 300 repeated characters into the Host connection parameter to trigger an application crash. Affected products include: Smartftp Smartftp Client.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.