CVE-2025-63701
📋 TL;DR
A heap corruption vulnerability in the Advantech TP-3250 printer driver allows attackers with local access to cause application crashes or potentially execute arbitrary code. The vulnerability occurs when the driver incorrectly handles buffer sizes during DocumentPropertiesW() calls. This affects systems using the vulnerable printer driver version.
💻 Affected Systems
- Advantech TP-3250 printer driver
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Local privilege escalation leading to arbitrary code execution in user context, potentially compromising the system.
Likely Case
Denial of service through application crashes when malicious applications interact with the printer driver.
If Mitigated
Limited impact if proper access controls prevent unauthorized local execution or if vulnerable driver isn't installed.
🎯 Exploit Status
Exploitation requires local access and understanding of driver interaction. No public exploit code identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
1. Check Advantech security advisories for updates
2. If patch available, download from official vendor site
3. Uninstall current driver
4. Install updated driver
5. Verify driver version after installation
🔧 Temporary Workarounds
Remove vulnerable driver
windowsUninstall the vulnerable printer driver if not required
Control Panel > Programs > Uninstall a program > Select Advantech TP-3250 driver > Uninstall
Restrict driver access
windowsUse application control policies to restrict which applications can interact with printer drivers
🧯 If You Can't Patch
- Implement strict local access controls and user privilege management
- Monitor for abnormal application crashes involving printer driver interactions
🔍 How to Verify
Check if Vulnerable:
Check driver version in Device Manager > Printers > Advantech TP-3250 > Properties > Driver tabCheck Version:
wmic printer get name, driverversion | findstr /i advantechVerify Fix Applied:
Verify driver version is different from v0.3.9200.20789 after applying vendor patch📡 Detection & Monitoring
Log Indicators:
- Application crashes with DrvUI_x64_ADVANTECH.dll in stack trace
- Windows Event Logs showing printer driver errors
Network Indicators:
- No network indicators - local exploitation only
SIEM Query:
EventID=1000 AND SourceName='Application Error' AND Message LIKE '%DrvUI_x64_ADVANTECH.dll%'