CVE-2025-46783
📋 TL;DR
A path traversal vulnerability (CWE-22) in RICOH Streamline NX V3 PC Client allows attackers to tamper with specific files, potentially leading to arbitrary code execution on affected systems. This affects all users running vulnerable versions of the software on Windows PCs. The high CVSS score of 9.8 indicates critical severity with low attack complexity.
💻 Affected Systems
- RICOH Streamline NX V3 PC Client
⚠️ 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 attacker gaining complete control over the PC, installing malware, stealing data, and using the system as a foothold for lateral movement.
Likely Case
Local privilege escalation leading to unauthorized access, file manipulation, and potential ransomware deployment on the affected workstation.
If Mitigated
Limited impact if proper network segmentation, endpoint protection, and least privilege principles are implemented, though the vulnerability remains exploitable.
🎯 Exploit Status
Exploitation requires tampering with specific files used by the product. While no public PoC exists, the vulnerability description suggests straightforward exploitation for attackers with access to the system.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 3.243.0 or later
Vendor Advisory: https://www.ricoh.com/products/security/vulnerabilities/vul?id=ricoh-2025-000005
Restart Required: Yes
Instructions:
1. Download the latest version from RICOH's official website. 2. Uninstall the current vulnerable version. 3. Install the patched version (3.243.0+). 4. Restart the system to ensure changes take effect.
🔧 Temporary Workarounds
Restrict File Access Permissions
windowsApply strict file system permissions to limit write access to directories used by RICOH Streamline NX V3 PC Client.
icacls "C:\Program Files\RICOH\Streamline NX V3" /deny Everyone:(OI)(CI)(W)
Network Segmentation
allIsolate systems running the vulnerable software from critical network segments to limit lateral movement potential.
🧯 If You Can't Patch
- Uninstall RICOH Streamline NX V3 PC Client if not essential for operations.
- Implement application whitelisting to prevent execution of unauthorized binaries on affected systems.
🔍 How to Verify
Check if Vulnerable:
Check the installed version via Control Panel > Programs and Features or by running the client and viewing the About section.
Check Version:
wmic product where name="RICOH Streamline NX V3 PC Client" get version
Verify Fix Applied:
Confirm the version is 3.243.0 or higher after patching and verify no unusual file modifications occur in RICOH application directories.
📡 Detection & Monitoring
Log Indicators:
- Unusual file creation/modification in RICOH application directories
- Unexpected process execution from RICOH paths
Network Indicators:
- Suspicious outbound connections from systems running the vulnerable software
SIEM Query:
source="windows_security" event_id=4688 process_name="*ricoh*" OR file_path="*RICOH*Streamline*"