What’s Vulnerable › Vulnerabilities

CVE-2018-25304: Free Download Manager 2.0 Build 417 Local Buffer Overflow SEH

• Severity: high (CVSS 8.4 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: none known
• Published: 2026-04-29 · updated 2026-06-17
• Weakness: CWE-120

Description

Free Download Manager 2.0 Build 417 contains a local buffer overflow vulnerability in the URL import functionality that allows attackers to trigger a structured exception handler (SEH) chain exploitation. Attackers can craft a malicious URL file that, when imported through the File > Import > Import lists of downloads menu, causes a buffer overflow in the Location header response that overwrites the SEH chain and executes arbitrary code.

Affected products

• Filehippo Free Download Manager: 2.0

References

• https://filehippo.com/download_free_download_manager/925/
• https://www.exploit-db.com/exploits/44499
• https://www.vulncheck.com/advisories/free-download-manager-built-417-local-buffer-overflow-seh

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