CVE-2018-25304

HIGH

Free Download Manager 2.0 Built 417 Local Buffer Overflow SEH

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-25304. PoCs published by Marwan Shamel.

AI-analyzed exploit summary This exploit demonstrates a local buffer overflow vulnerability in Free Download Manager 2.0 Built 417 via a crafted HTTP response. It leverages SEH (Structured Exception Handler) overwrite with a short jump and shellcode to achieve arbitrary code execution.

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.

Exploits (1)

exploitdb WORKING POC
by Marwan Shamel · pythonlocalwindows_x86
https://www.exploit-db.com/exploits/44499

This exploit demonstrates a local buffer overflow vulnerability in Free Download Manager 2.0 Built 417 via a crafted HTTP response. It leverages SEH (Structured Exception Handler) overwrite with a short jump and shellcode to achieve arbitrary code execution.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Free Download Manager v2.0 Built 417
No auth needed
Prerequisites: Network access to the target · Victim must import a malicious URL list
devstral-2 · analyzed Apr 30, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit exploit
ExploitDB-44499
https://www.exploit-db.com/exploits/44499
Third Party Advisory third-party-advisory
VulnCheck Advisory: Free Download Manager 2.0 Built 417 Local Buffer Overflow SEH
https://www.vulncheck.com/advisories/free-download-manager-built-417-local-buffer-overflow-seh

Scores

CVSS v3 8.4
EPSS 0.0015
EPSS Percentile 4.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-120
Status published
Products (1)
Filehippo/Free Download Manager 2.0
Published Apr 29, 2026
Tracked Since Apr 30, 2026