CVE-2025-12048
📋 TL;DR
An arbitrary file upload vulnerability in Lenovo Scanner Pro client allows attackers to upload malicious files that could lead to remote code execution. This affects users of Lenovo Scanner Pro software on Windows systems. Successful exploitation could give attackers unauthorized control over the affected system.
💻 Affected Systems
- Lenovo Scanner Pro
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with remote code execution leading to data theft, ransomware deployment, or persistent backdoor installation.
Likely Case
Local privilege escalation leading to unauthorized access to sensitive scanner data and system resources.
If Mitigated
Limited impact with proper file validation and restricted user permissions preventing malicious uploads.
🎯 Exploit Status
Exploitation requires ability to interact with the scanner client's file upload functionality. No public exploit code available at time of analysis.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Lenovo advisory for specific patched version
Vendor Advisory: https://iknow.lenovo.com.cn/detail/434326
Restart Required: Yes
Instructions:
1. Visit Lenovo advisory URL. 2. Download latest Lenovo Scanner Pro version. 3. Uninstall current version. 4. Install updated version. 5. Restart system.
🔧 Temporary Workarounds
Disable Scanner Pro Service
windowsTemporarily disable the scanner service to prevent exploitation
sc stop "Lenovo Scanner Pro Service"
sc config "Lenovo Scanner Pro Service" start= disabled
Restrict File Upload Permissions
allConfigure strict file type validation and upload restrictions
🧯 If You Can't Patch
- Network segmentation to isolate scanner systems from critical infrastructure
- Implement strict application whitelisting to prevent execution of unauthorized files
🔍 How to Verify
Check if Vulnerable:
Check Lenovo Scanner Pro version against advisory. If version is older than patched release, system is vulnerable.Check Version:
Check program version in Windows Add/Remove Programs or scanner software about dialogVerify Fix Applied:
Verify installed version matches or exceeds patched version from Lenovo advisory.📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to scanner directories
- Execution of unexpected files from scanner temp folders
Network Indicators:
- Unexpected network connections originating from scanner process
- File transfers to scanner service ports
SIEM Query:
Process Creation where Image contains 'scanner' AND CommandLine contains unusual file extensions (.exe, .bat, .ps1)