CVE-2018-25304

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.

Score

CVSS 4.0 8.6 High

Status

Deferred - disclosure@vulncheck.com

Published

2026-04-29

Last modified

2026-05-26

Weaknesses

CWE-120

Affected products

• Free Download Manager (Freedownloadmanager)

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