What’s Vulnerable › Vulnerabilities

CVE-2019-25683: FileZilla 3.40.0 Denial of Service via Local Search

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-05 · updated 2026-07-24
• Weakness: CWE-532

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.

Affected products

• Filezilla-Project FileZilla: 3.40.0

References

• https://filezilla-project.org
• https://www.exploit-db.com/exploits/46484
• https://www.vulncheck.com/advisories/filezilla-denial-of-service-via-local-search

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