CVE-2025-1126
📋 TL;DR
This vulnerability in Lexmark Print Management Client allows attackers to bypass security decisions by providing malicious input. It affects organizations using Lexmark print management software and could lead to system compromise. The high CVSS score indicates significant potential impact.
💻 Affected Systems
- Lexmark Print Management 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
Complete system compromise allowing remote code execution, data exfiltration, and lateral movement within the network.
Likely Case
Privilege escalation leading to unauthorized access to print management functions and potentially sensitive document data.
If Mitigated
Limited impact with proper network segmentation and access controls preventing exploitation attempts.
🎯 Exploit Status
CWE-807 typically involves straightforward exploitation when untrusted input reaches security decisions.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Lexmark security advisory for specific patched 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 product versions
3. Download and apply the latest security update
4. Restart affected systems
🔧 Temporary Workarounds
Network Segmentation
allIsolate print management systems from untrusted networks and internet access
Input Validation Rules
allImplement network-level input filtering for print management traffic
🧯 If You Can't Patch
- Implement strict network access controls to limit who can communicate with print management systems
- Monitor print management systems for unusual activity and implement additional authentication requirements
🔍 How to Verify
Check if Vulnerable:
Check installed Lexmark Print Management Client version against vendor advisoryCheck Version:
Check application about dialog or consult Lexmark documentation for version checkingVerify Fix Applied:
Verify version is updated to patched release specified in vendor advisory📡 Detection & Monitoring
Log Indicators:
- Unusual authentication attempts to print management services
- Unexpected process execution from print management components
Network Indicators:
- Unusual network traffic patterns to/from print management ports
- Suspicious input patterns in print management protocols
SIEM Query:
source="lexmark-print-management" AND (event_type="authentication_failure" OR process_execution="unusual")