EIP-2026-116131

PRE-CVE

Quick 'n Easy FTP Server 3.9.1 - 'USER' Remote Buffer Overflow

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-116131. PoCs published by demonalex.

AI-analyzed exploit summary This Perl script exploits a buffer overflow vulnerability in Quick 'n Easy FTP Server by sending a malformed USER command with a payload of 1600 'A's followed by specific bytes. It targets the FTP service on port 21 and can cause a denial-of-service or potential arbitrary code execution.

Description

Quick 'n Easy FTP Server 3.9.1 - 'USER' Remote Buffer Overflow

Exploits (1)

exploitdb WORKING POC VERIFIED
by demonalex · perldoswindows
https://www.exploit-db.com/exploits/34403

This Perl script exploits a buffer overflow vulnerability in Quick 'n Easy FTP Server by sending a malformed USER command with a payload of 1600 'A's followed by specific bytes. It targets the FTP service on port 21 and can cause a denial-of-service or potential arbitrary code execution.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Quick 'n Easy FTP Server <= 3.9.1
No auth needed
Prerequisites: Network access to the target FTP server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026