CVE-2018-25366

HIGH

CuteFTP 5.0 XP Buffer Overflow via Site Manager Label Field

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-25366. PoCs published by Matteo Malvica.

AI-analyzed exploit summary This exploit demonstrates a buffer overflow vulnerability in CuteFTP 5.0 by generating a malicious payload that triggers a shell bind on port 6666. The payload includes a NOP sled and shellcode generated via msfvenom, targeting a specific return address in ntdll.dll.

Description

CuteFTP 5.0 XP contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code by injecting malicious payload into the Site Manager label field. Attackers can craft a payload exceeding 520 bytes that overwrites the return address and executes shellcode when a shortcut is created and launched.

Exploits (1)

exploitdb WORKING POC
by Matteo Malvica · pythonlocalwindows_x86
https://www.exploit-db.com/exploits/45259

This exploit demonstrates a buffer overflow vulnerability in CuteFTP 5.0 by generating a malicious payload that triggers a shell bind on port 6666. The payload includes a NOP sled and shellcode generated via msfvenom, targeting a specific return address in ntdll.dll.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: CuteFTP 5.0.4 XP - build 54.8.6.1
No auth needed
Prerequisites: CuteFTP 5.0 installed on Windows XP SP3 · Network connectivity to the target for the bind shell
devstral-2 · analyzed May 25, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit exploit
ExploitDB-45259
https://www.exploit-db.com/exploits/45259
Third Party Advisory third-party-advisory
VulnCheck Advisory: CuteFTP 5.0 XP Buffer Overflow via Site Manager Label Field
https://www.vulncheck.com/advisories/cuteftp-xp-buffer-overflow-via-site-manager-label-field

Scores

CVSS v3 8.4
EPSS 0.0018
EPSS Percentile 7.9%
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)
globalscape/CuteFTP 5.0.4
Published May 25, 2026
Tracked Since May 25, 2026