CVE-2024-38281
📋 TL;DR
This vulnerability allows attackers to access the maintenance console of affected devices using hard-coded credentials for a hidden wireless network. This affects industrial control systems and other devices that use these default credentials, potentially giving attackers administrative access.
💻 Affected Systems
- Specific products not listed in advisory - check vendor documentation
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise leading to operational disruption, data theft, or use as pivot point into internal networks
Likely Case
Unauthorized access to maintenance console allowing configuration changes, data viewing, and potential privilege escalation
If Mitigated
Limited impact if network segmentation prevents wireless access to maintenance interfaces
🎯 Exploit Status
Exploitation requires discovering hidden wireless network and using known credentials
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: N/A
Vendor Advisory: https://www.cisa.gov/news-events/ics-advisories/icsa-24-165-19
Restart Required: No
Instructions:
1. Contact device vendor for firmware updates
2. Apply vendor-provided patches if available
3. Change default credentials on all wireless networks
🔧 Temporary Workarounds
Change Wireless Credentials
allChange hard-coded credentials on hidden wireless network to strong, unique passwords
Device-specific configuration commands - consult vendor documentation
Disable Hidden Wireless Network
allDisable the hidden wireless network if not required for operations
Device-specific configuration commands - consult vendor documentation
🧯 If You Can't Patch
- Segment wireless network from critical systems using firewalls
- Implement network monitoring for unauthorized access attempts to maintenance console
🔍 How to Verify
Check if Vulnerable:
Check device configuration for hidden wireless networks with default credentialsCheck Version:
Device-specific command - consult vendor documentationVerify Fix Applied:
Verify wireless network uses strong, unique credentials and test access with old credentials fails📡 Detection & Monitoring
Log Indicators:
- Failed authentication attempts to maintenance console
- Successful logins from unexpected locations
Network Indicators:
- Wireless scanning detecting hidden SSIDs
- Traffic to maintenance console from wireless interfaces
SIEM Query:
source="device_logs" AND (event_type="authentication" AND result="success" AND user="default_admin")