CVE-2025-47756
📋 TL;DR
This vulnerability in V-SFT v6.2.5.0 and earlier allows attackers to trigger an out-of-bounds read when opening specially crafted V7 or V8 files. Successful exploitation could lead to application crashes, information disclosure, or arbitrary code execution. Users of V-SFT software versions up to 6.2.5.0 are affected.
💻 Affected Systems
- V-SFT
📦 What is this software?
Monitouch V Sft by Fujielectric
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution with SYSTEM/root privileges leading to complete system compromise, data theft, and lateral movement within the network.
Likely Case
Application crash and potential information disclosure through memory leaks, possibly leading to privilege escalation if combined with other vulnerabilities.
If Mitigated
Application crash without code execution if memory protections (ASLR, DEP) are effective, but still causing denial of service.
🎯 Exploit Status
Exploitation requires user interaction to open a malicious file. No public exploit code is currently available, but the vulnerability details are publicly disclosed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v6.2.6.0 or later
Vendor Advisory: https://monitouch.fujielectric.com/site/download-e/09vsft6_inf/Search.php
Restart Required: Yes
Instructions:
1. Download the latest version from Fuji Electric's official website. 2. Uninstall the current vulnerable version. 3. Install the patched version. 4. Restart the system to ensure all components are properly loaded.
🔧 Temporary Workarounds
File Type Restriction
allBlock or restrict opening of V7 and V8 files from untrusted sources
Application Hardening
windowsRun V-SFT with reduced privileges and enable DEP/ASLR
bcdedit.exe /set {current} nx AlwaysOn
bcdedit.exe /set {current} increaseuserva 3072
🧯 If You Can't Patch
- Implement strict file validation policies to only allow trusted V7/V8 files
- Deploy application whitelisting to prevent execution of unauthorized files
🔍 How to Verify
Check if Vulnerable:
Check Help > About in V-SFT application. If version is 6.2.5.0 or earlier, the system is vulnerable.
Check Version:
Not applicable - check via application GUI
Verify Fix Applied:
Verify version is 6.2.6.0 or later in Help > About. Test opening known safe V7/V8 files to ensure functionality.
📡 Detection & Monitoring
Log Indicators:
- Application crash logs from V-SFT
- Windows Event Logs showing application failures (Event ID 1000)
Network Indicators:
- Unusual file transfers of V7/V8 files from external sources
- SMB/NFS transfers containing V-SFT project files
SIEM Query:
source="windows" AND (event_id=1000 AND process_name="VS6EditData.exe") OR (file_name="*.v7" OR file_name="*.v8") AND action="open"