EIP-2026-118546

PRE-CVE

FileZilla Client 2.2.x - Remote Buffer Overflow (SEH)

Title source: legacy

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-118546. PoCs published by ly0n.

AI-analyzed exploit summary This exploit demonstrates an SEH buffer overflow in FileZilla Client 2.2.X by crafting a malicious FTP server response. It triggers a controlled exception handler overwrite to execute arbitrary shellcode (a message box in this case).

Description

FileZilla Client 2.2.x - Remote Buffer Overflow (SEH)

Exploits (1)

exploitdb WORKING POC VERIFIED

by ly0n · pythonremotewindows

https://www.exploit-db.com/exploits/37729

View Code ZIP pw:eip

This exploit demonstrates an SEH buffer overflow in FileZilla Client 2.2.X by crafting a malicious FTP server response. It triggers a controlled exception handler overwrite to execute arbitrary shellcode (a message box in this case).

Classification

Working Poc 95%

Attack Type

Rce

Complexity

Moderate

Reliability

Reliable

Target: FileZilla Client 2.2.X (tested on 2.2.21)

No auth needed

Prerequisites: Network access to target · Target must connect to malicious FTP server

MITRE ATT&CK

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

devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve

Tracked Since Feb 18, 2026