CVE-2025-65078
📋 TL;DR
An untrusted search path vulnerability in Lexmark's Embedded Solutions Framework allows attackers to execute arbitrary code by manipulating the search path for loading libraries or executables. This affects various Lexmark devices running vulnerable firmware versions. Attackers with local access could potentially gain elevated privileges.
💻 Affected Systems
- Various Lexmark devices with Embedded Solutions Framework
⚠️ 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 root/admin privileges, allowing installation of persistent malware, data exfiltration, and lateral movement within the network.
Likely Case
Local privilege escalation leading to unauthorized access to sensitive printer functions, configuration changes, or credential theft.
If Mitigated
Limited impact with proper network segmentation and access controls, potentially only affecting isolated printer functions.
🎯 Exploit Status
Requires local access to the device. Exploitation involves manipulating the search path to load malicious libraries or executables.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Lexmark security advisory for specific patched firmware versions
Vendor Advisory: https://www.lexmark.com/en_us/solutions/security/lexmark-security-advisories.html
Restart Required: Yes
Instructions:
1. Visit Lexmark security advisory page 2. Identify affected device models 3. Download latest firmware from Lexmark support 4. Apply firmware update following manufacturer instructions 5. Reboot device after update
🔧 Temporary Workarounds
Network Segmentation
allIsolate Lexmark devices on separate VLANs with restricted access
Access Control
allRestrict physical and network access to Lexmark devices to authorized personnel only
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Lexmark devices
- Disable unnecessary services and features on Lexmark devices
- Monitor device logs for suspicious activity
- Restrict physical access to devices
🔍 How to Verify
Check if Vulnerable:
Check device firmware version against Lexmark's security advisory for affected versionsCheck Version:
Check via Lexmark device web interface: Settings > Device Information > Firmware VersionVerify Fix Applied:
Verify firmware version has been updated to patched version listed in Lexmark advisory📡 Detection & Monitoring
Log Indicators:
- Unusual process executions
- Failed library loading attempts
- Unexpected file system modifications
Network Indicators:
- Unusual network connections from printer devices
- Unexpected outbound traffic
SIEM Query:
source="lexmark-printer" AND (event_type="process_execution" OR event_type="file_modification")