EIP-2026-118141

PRE-CVE

WM Downloader 3.0.0.9 - '.asx' Local Buffer Overflow

Title source: legacy

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-118141. PoCs published by b0telh0.

AI-analyzed exploit summary This exploit targets a local buffer overflow in WM Downloader 3.0.0.9 by crafting a malicious .asx file. It leverages a JMP ESP instruction in USER32.dll to redirect execution to a calc.exe-pawning shellcode.

Description

WM Downloader 3.0.0.9 - '.asx' Local Buffer Overflow

Exploits (1)

exploitdb WORKING POC VERIFIED

by b0telh0 · pythonlocalwindows

https://www.exploit-db.com/exploits/11981

View Code ZIP pw:eip

This exploit targets a local buffer overflow in WM Downloader 3.0.0.9 by crafting a malicious .asx file. It leverages a JMP ESP instruction in USER32.dll to redirect execution to a calc.exe-pawning shellcode.

Classification

Working Poc 95%

Attack Type

Rce

Complexity

Trivial

Reliability

Reliable

Target: WM Downloader 3.0.0.9

No auth needed

Prerequisites: Victim must open the malicious .asx file in WM Downloader

MITRE ATT&CK

T1203 - Exploitation for Client Execution T1059 - Command and Scripting Interpreter

devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve

Tracked Since Feb 18, 2026