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.
Published: 2026-04-05
Score: 6.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Denial of Service
Action: Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 09 Apr 2026 19:30:00 +0000

Type Values Removed Values Added
First Time appeared Filezilla-project filezilla Client
CPEs cpe:2.3:a:filezilla-project:filezilla_client:3.40.0:-:*:*:*:*:*:*
Vendors & Products Filezilla-project filezilla Client

Tue, 07 Apr 2026 00:00:00 +0000

Type Values Removed Values Added
First Time appeared Filezilla-project filezilla
Vendors & Products Filezilla-project filezilla

Mon, 06 Apr 2026 20:00:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sun, 05 Apr 2026 20:45:00 +0000

Type Values Removed Values Added
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.
Title FileZilla 3.40.0 Denial of Service via Local Search
First Time appeared Filezilla-project
Filezilla-project filezilla Server
Weaknesses CWE-532
CPEs cpe:2.3:a:filezilla-project:filezilla_server:3.40.0:*:*:*:*:*:*:*
Vendors & Products Filezilla-project
Filezilla-project filezilla Server
References
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.9, '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'}


Subscriptions

Filezilla-project Filezilla Filezilla Client Filezilla Server
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-06T18:12:56.747Z

Reserved: 2026-04-05T15:16:49.556Z

Link: CVE-2019-25683

cve-icon Vulnrichment

Updated: 2026-04-06T18:12:49.998Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-05T21:16:46.800

Modified: 2026-04-09T19:17:49.647

Link: CVE-2019-25683

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-10T09:45:20Z

Weaknesses