EIP-2026-118260

PRE-CVE

Antelope Software W4-Server 2.6 a/Win32 - 'Cgitest.exe' Remote Buffer Overflow

Title source: legacy

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-118260. PoCs published by UNYUN.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in Cgitest.exe, a CGI script distributed with W4-Server 2.6a/32-bits. It crafts a malicious HTTP request with a User-Agent header containing shellcode to achieve remote code execution.

Description

Antelope Software W4-Server 2.6 a/Win32 - 'Cgitest.exe' Remote Buffer Overflow

Exploits (1)

exploitdb WORKING POC VERIFIED

by UNYUN · cremotewindows

https://www.exploit-db.com/exploits/19622

View Code ZIP pw:eip

This exploit targets a buffer overflow vulnerability in Cgitest.exe, a CGI script distributed with W4-Server 2.6a/32-bits. It crafts a malicious HTTP request with a User-Agent header containing shellcode to achieve remote code execution.

Classification

Working Poc 95%

Attack Type

Rce

Complexity

Moderate

Reliability

Reliable

Target: W4-Server 2.6a/32-bits (Cgitest.exe)

No auth needed

Prerequisites: Network access to the target web server · W4-Server with vulnerable Cgitest.exe installed

MITRE ATT&CK

T1190 - Exploit Public-Facing Application T1203 - Exploitation for Client Execution

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

Details

Status pre_cve

Tracked Since Feb 18, 2026