CVE-2025-69828: TMS Management Console RCE Vulnerability

CVE-2025-69828 Overview

A critical file upload vulnerability exists in TMS Global Software TMS Management Console v.6.3.7.27386.20250818. This vulnerability allows a remote attacker to execute arbitrary code by exploiting the Logo upload functionality accessible via the /Customer/AddEdit endpoint. The flaw stems from improper validation of uploaded files, enabling attackers to upload malicious content that can be executed on the server.

Critical Impact

Remote attackers can achieve arbitrary code execution through unrestricted file upload, potentially leading to complete system compromise, data theft, and lateral movement within the network.

Affected Products

• TMS Global Software TMS Management Console v.6.3.7.27386.20250818

Discovery Timeline

• 2026-01-22 - CVE CVE-2025-69828 published to NVD
• 2026-01-22 - Last updated in NVD database

Technical Details for CVE-2025-69828

Vulnerability Analysis

This vulnerability is classified as CWE-434 (Unrestricted Upload of File with Dangerous Type). The TMS Management Console fails to properly validate files uploaded through the Logo upload feature at the /Customer/AddEdit endpoint. Without adequate file type verification, extension filtering, or content validation, attackers can upload executable files disguised as legitimate image files or directly upload web shells and other malicious payloads.

The network-accessible nature of this vulnerability means that any unauthenticated remote attacker with network access to the management console can exploit this flaw. Upon successful upload, the malicious file can be executed on the server, granting the attacker the ability to run arbitrary commands with the privileges of the web server process.

Root Cause

The root cause is an absence of proper file upload validation mechanisms in the /Customer/AddEdit endpoint. The application does not implement sufficient checks on:

• File extension validation (allowing executable extensions)
• MIME type verification
• File content inspection (magic bytes)
• Upload directory restrictions preventing execution

This allows attackers to bypass intended restrictions and upload dangerous file types that can be subsequently executed by the web server.

Attack Vector

The attack is executed remotely over the network without requiring authentication. An attacker targets the /Customer/AddEdit endpoint, specifically the Logo upload functionality. By crafting a malicious file (such as a web shell or reverse shell payload) and uploading it through this feature, the attacker can achieve code execution once the file is accessed or processed by the server.

The exploitation path typically involves:

1. Identifying the vulnerable upload endpoint at /Customer/AddEdit
2. Preparing a malicious payload (e.g., PHP web shell, ASP.NET shell)
3. Uploading the payload through the Logo upload feature
4. Accessing the uploaded file to trigger execution
5. Gaining interactive shell access to the compromised server

Technical details and proof-of-concept information are available at the GitHub PoC Repository.

Detection Methods for CVE-2025-69828

Indicators of Compromise

• Unusual file uploads to the Logo upload directory containing executable extensions (.php, .asp, .aspx, .jsp, .exe)
• Web server logs showing POST requests to /Customer/AddEdit with suspicious file names or content types
• Unexpected outbound connections from the web server process
• New or modified files in web-accessible directories with recent timestamps
• Process spawning from web server processes (e.g., cmd.exe, powershell.exe, /bin/sh spawned by w3wp.exe or similar)

Detection Strategies

• Monitor HTTP traffic for file upload requests to /Customer/AddEdit containing non-image file extensions or suspicious content
• Implement file integrity monitoring on upload directories to detect unauthorized file additions
• Analyze web server logs for unusual POST request patterns targeting the vulnerable endpoint
• Deploy web application firewall (WAF) rules to inspect uploaded file content and block executable payloads
• Use endpoint detection and response (EDR) solutions to identify web shell execution patterns

Monitoring Recommendations

• Configure alerting for any uploads with executable extensions through the TMS Management Console
• Enable detailed logging for all file upload operations and regularly review for anomalies
• Monitor for command execution originating from the web server's process context
• Implement network segmentation monitoring to detect lateral movement following potential compromise
• Set up honeypot files in upload directories to detect unauthorized access attempts

How to Mitigate CVE-2025-69828

Immediate Actions Required

• Restrict network access to the TMS Management Console to trusted IP addresses only
• Disable the Logo upload functionality if not business-critical until a patch is available
• Implement Web Application Firewall (WAF) rules to block malicious file uploads
• Review upload directories for any suspicious files and remove unauthorized content
• Audit user access logs for any signs of exploitation attempts

Patch Information

No vendor patch information is currently available. Organizations should monitor the TMS Global Soft Homepage for security advisories and updates. Contact TMS Global Software directly for remediation guidance and expected patch timeline.

Workarounds

• Implement strict file type validation at the web application firewall level, allowing only legitimate image formats (.jpg, .png, .gif)
• Configure the web server to prevent execution of scripts in upload directories
• Place the TMS Management Console behind a VPN or implement IP whitelisting to limit exposure
• Deploy an application-level proxy that performs deep content inspection on uploaded files
• Consider taking the Logo upload feature offline temporarily until a permanent fix is available

# Configuration example - Block script execution in upload directories (IIS example)
# Add to web.config in the upload directory:
# <configuration>
#   <system.webServer>
#     <handlers accessPolicy="Read"/>
#   </system.webServer>
# </configuration>

# For Apache, add to .htaccess in upload directory:
# php_flag engine off
# <FilesMatch "\.(php|phtml|php3|php4|php5|pl|py|jsp|asp|aspx|htm|html|shtml|sh|cgi)$">
#     Deny from all
# </FilesMatch>