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CVE-2019-25683

6.2 · MEDIUM

FileZilla 3.40.0 contains a denial of service vulnerability in the local search functionality that allows local attackers to crash the application by supplying a malformed path string.

Published Apr 5, 2026CWE-532EPSS 0.17%

Overview

CVE-2019-25683 is a medium-severity vulnerability. It was published on April 5, 2026 and has a CVSS 3.1 base score of 6.2 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.2, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

FileZilla 3.40.0 contains a denial of service vulnerability in the local search functionality that allows local attackers to crash the application by supplying a malformed path string. Attackers can trigger the crash by entering a crafted path containing 384 'A' characters followed by 'BBBB' and 'CCCC' sequences in the search directory field and initiating a local search operation.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Frequently asked questions

What is CVE-2019-25683?

CVE-2019-25683 is a medium-severity vulnerability. It was published on April 5, 2026 and has a CVSS 3.1 base score of 6.2 (MEDIUM).

How severe is CVE-2019-25683?

This vulnerability has a CVSS 3.1 base score of 6.2, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-25683?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-25683?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-25683 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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