CVE-2024-32238
📋 TL;DR
The H3C ER8300G2-X router's management system login interface allows unauthorized access to the router password. This vulnerability enables attackers to gain administrative control of affected routers. Organizations using H3C ER8300G2-X routers are affected.
💻 Affected Systems
- H3C ER8300G2-X
⚠️ 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 compromise of router with ability to intercept all network traffic, modify configurations, install persistent backdoors, and pivot to internal networks.
Likely Case
Unauthorized administrative access leading to network disruption, data interception, and credential theft.
If Mitigated
Limited impact if router is isolated from internet and strong network segmentation prevents lateral movement.
🎯 Exploit Status
Public GitHub repository shows exploitation details; trivial to exploit via web interface.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check H3C official advisory for specific patched version
Vendor Advisory: https://www.h3c.com/cn/Products_And_Solution/InterConnect/Products/Routers/Products/Enterprise/ER/ER8300G2-X/
Restart Required: Yes
Instructions:
1. Check H3C official website for security advisory 2. Download latest firmware 3. Backup current configuration 4. Upload and install new firmware 5. Verify fix and restore configuration if needed
🔧 Temporary Workarounds
Disable Web Management Interface
allDisable HTTP/HTTPS management access and use console/SSH only
system-view
undo ip http enable
undo ip https enable
Restrict Management Access
allLimit management interface access to specific IP addresses only
system-view
acl number 2000
rule permit source 192.168.1.0 0.0.0.255
interface vlan-interface 1
ip address 192.168.1.1 255.255.255.0
ip http acl 2000
🧯 If You Can't Patch
- Isolate router management interface from internet and untrusted networks
- Implement strict network segmentation and monitor for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Attempt to access password via management login interface using public exploit methodsCheck Version:
display versionVerify Fix Applied:
Verify password cannot be accessed via login interface after patch📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts followed by successful access
- Unauthorized configuration changes
- Access from unusual IP addresses
Network Indicators:
- Unexpected traffic patterns from router
- Management interface access from unauthorized sources
SIEM Query:
source_ip="router_management_interface" AND (event_type="authentication_success" OR event_type="configuration_change")🔗 References
- https://github.com/asdfjkl11/CVE-2024-32238/issues/1
- https://www.h3c.com/cn/Products_And_Solution/InterConnect/Products/Routers/Products/Enterprise/ER/ER8300G2-X/
- https://github.com/asdfjkl11/CVE-2024-32238/issues/1
- https://www.h3c.com/cn/Products_And_Solution/InterConnect/Products/Routers/Products/Enterprise/ER/ER8300G2-X/
