CVE-2025-65077
📋 TL;DR
A relative path traversal vulnerability in Lexmark's Embedded Solutions Framework allows attackers to access files outside intended directories and execute arbitrary code as an unprivileged user. This affects various Lexmark printer and multifunction devices. Attackers could potentially gain unauthorized access to sensitive files or system resources.
💻 Affected Systems
- Various Lexmark printer and multifunction devices
⚠️ 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 allowing arbitrary code execution, data exfiltration, and lateral movement within the network.
Likely Case
Unauthorized file access, configuration modification, and potential privilege escalation leading to device control.
If Mitigated
Limited impact with proper network segmentation and access controls preventing exploitation attempts.
🎯 Exploit Status
Path traversal vulnerabilities typically have low exploitation complexity, but specific exploit details are not publicly available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Lexmark security advisory for specific 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 update
4. Apply firmware update following manufacturer instructions
5. Reboot device after update
🔧 Temporary Workarounds
Network Segmentation
allIsolate Lexmark devices to separate VLANs with restricted access
Access Control Lists
allImplement firewall rules to restrict device management interface access
🧯 If You Can't Patch
- Implement strict network segmentation to isolate devices from critical systems
- Disable unnecessary services and interfaces on affected devices
🔍 How to Verify
Check if Vulnerable:
Check device firmware version against Lexmark's advisory list of affected versionsCheck Version:
Check device web interface or use manufacturer's management tools to view firmware versionVerify Fix Applied:
Verify firmware version has been updated to patched version specified in advisory📡 Detection & Monitoring
Log Indicators:
- Unusual file access patterns
- Path traversal strings in HTTP requests
- Unauthorized configuration changes
Network Indicators:
- Unusual traffic to device management interfaces
- Multiple failed access attempts followed by successful exploitation
SIEM Query:
Search for HTTP requests containing '../' patterns to Lexmark device IP addresses