CVE-2025-1102
📋 TL;DR
A CORS misconfiguration vulnerability in Q-Free MaxTime allows attackers to bypass origin validation and perform cross-origin attacks. This affects all unpatched Q-Free MaxTime systems up to version 2.11.0, potentially exposing them to data theft, manipulation, or service disruption.
💻 Affected Systems
- Q-Free MaxTime
📦 What is this software?
Maxtime by Q Free
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of device confidentiality, integrity, and availability through cross-site request forgery, data exfiltration, or denial of service attacks.
Likely Case
Unauthorized data access or manipulation through crafted HTTP requests, potentially leading to information disclosure or system tampering.
If Mitigated
Limited impact with proper network segmentation and access controls, though the vulnerability remains present.
🎯 Exploit Status
Exploitation requires crafting malicious HTTP requests or URLs but does not require authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: > 2.11.0
Vendor Advisory: https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-1102
Restart Required: Yes
Instructions:
1. Contact Q-Free for updated version >2.11.0. 2. Backup configuration. 3. Apply patch/upgrade. 4. Restart MaxTime service. 5. Verify fix.
🔧 Temporary Workarounds
Restrict Network Access
allLimit access to MaxTime interface to trusted networks only using firewall rules.
Implement Reverse Proxy with CORS Controls
allPlace MaxTime behind a reverse proxy that enforces proper CORS policies.
🧯 If You Can't Patch
- Isolate MaxTime systems on separate VLAN with strict access controls
- Implement web application firewall (WAF) rules to block malicious CORS requests
🔍 How to Verify
Check if Vulnerable:
Check MaxTime version via web interface or configuration files. If version ≤2.11.0, system is vulnerable.Check Version:
Check web interface or consult system documentation for version informationVerify Fix Applied:
Verify version is >2.11.0 and test CORS headers using browser developer tools or curl requests.📡 Detection & Monitoring
Log Indicators:
- Unusual cross-origin requests
- Multiple failed CORS validation attempts
- Requests with crafted Origin headers
Network Indicators:
- HTTP requests with suspicious Origin headers
- Unexpected cross-domain traffic to MaxTime endpoints
SIEM Query:
source="maxtime" AND (Origin="*" OR Origin CONTAINS "malicious-domain")