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Wing FTP Server 7.4.3 - Unauthenticated Remote Code Execution (RCE)

Critical
Published: Wed Jul 02 2025 (07/02/2025, 00:00:00 UTC)
Source: Exploit-DB RSS Feed

Description

Wing FTP Server 7.4.3 - Unauthenticated Remote Code Execution (RCE)

AI-Powered Analysis

AILast updated: 07/16/2025, 21:23:22 UTC

Technical Analysis

The security threat pertains to an unauthenticated remote code execution (RCE) vulnerability in Wing FTP Server version 7.4.3. This vulnerability allows an attacker to execute arbitrary code on the affected server without requiring any authentication, which significantly increases the risk and ease of exploitation. Wing FTP Server is a multi-protocol file transfer server supporting FTP, FTPS, SFTP, HTTP, and HTTPS, commonly used for managing file transfers in enterprise environments. The exploit targets a flaw in the server's handling of incoming requests, enabling remote attackers to inject and execute malicious payloads. The presence of exploit code written in Python indicates that proof-of-concept or weaponized scripts are available, facilitating exploitation by attackers with moderate technical skills. The vulnerability's critical severity classification underscores the potential for full system compromise, data theft, or disruption of services. Since no patch links are provided, it is likely that either a patch is not yet available or not publicly disclosed at the time of this report, increasing the urgency for mitigation. The lack of a CVSS score necessitates an independent severity assessment based on the nature of the vulnerability and its impact.

Potential Impact

For European organizations, the impact of this vulnerability can be severe. Organizations relying on Wing FTP Server for critical file transfer operations may face unauthorized access, data breaches, or complete system takeover. This can lead to exposure of sensitive personal data protected under GDPR, resulting in legal and financial penalties. Additionally, compromised servers can be used as pivot points for lateral movement within networks, escalating the scope of attacks. Disruption of file transfer services can affect business continuity, especially for sectors like finance, healthcare, and manufacturing that depend on reliable data exchange. The unauthenticated nature of the exploit lowers the barrier for attackers, increasing the likelihood of widespread exploitation. Furthermore, the availability of Python exploit code may accelerate attack campaigns targeting vulnerable servers across Europe.

Mitigation Recommendations

European organizations should immediately conduct an inventory to identify any instances of Wing FTP Server version 7.4.3 in their environment. Until an official patch is released, organizations should implement network-level mitigations such as restricting access to the FTP server to trusted IP addresses and deploying web application firewalls (WAFs) or intrusion prevention systems (IPS) with custom rules to detect and block exploit attempts. Monitoring network traffic for unusual activity related to FTP services is critical. Organizations should also consider temporarily disabling the Wing FTP Server or migrating to alternative secure file transfer solutions if feasible. Regular backups of critical data should be maintained to enable recovery in case of compromise. Once a patch becomes available, prompt application is essential. Additionally, organizations should educate their security teams about the exploit and monitor threat intelligence feeds for updates on active exploitation.

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Technical Details

Edb Id
52347
Has Exploit Code
true
Code Language
python

Indicators of Compromise

Exploit Source Code

Exploit Code

Exploit code for Wing FTP Server 7.4.3 - Unauthenticated Remote Code Execution (RCE)

# Exploit Title: Wing FTP Server 7.4.3 - Unauthenticated Remote Code Execution (RCE)
# CVE: CVE-2025-47812
# Date: 2025-06-30
# Exploit Author: Sheikh Mohammad Hasan aka 4m3rr0r (https://github.com/4m3rr0r)
# Vendor Homepage: https://www.wftpserver.com/
# Version: Wing FTP Server <= 7.4.3
# Tested on: Linux (Root Privileges), Windows (SYSTEM Privileges)

# Description:
# Wing FTP Server versions prior to 7.4.4 are vulnerable to an unauthenticated remote code execution (RCE)
# flaw (CVE-2025-4781
... (6683 more characters)
Code Length: 7,183 characters

Threat ID: 68653a7e6f40f0eb7292de06

Added to database: 7/2/2025, 1:56:14 PM

Last enriched: 7/16/2025, 9:23:22 PM

Last updated: 7/17/2025, 9:23:26 PM

Views: 40

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