CVE-2024-46327
📋 TL;DR
This directory traversal vulnerability in VONETS VAP11G-300 routers allows attackers to access sensitive files by manipulating HTTP requests. Attackers can potentially read system files, configuration data, or other sensitive information stored on the device. This affects all users running the vulnerable firmware version.
💻 Affected Systems
- VONETS VAP11G-300
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain access to administrative credentials, device configuration secrets, or other sensitive system files, potentially leading to complete device compromise and network infiltration.
Likely Case
Attackers read configuration files containing network settings, potentially enabling further attacks or information gathering about the network environment.
If Mitigated
Limited information disclosure with no authentication bypass or remote code execution capabilities.
🎯 Exploit Status
Directory traversal vulnerabilities typically require minimal technical skill to exploit once the vulnerability details are known.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: Yes
Instructions:
1. Check VONETS website for firmware updates
2. Download latest firmware if available
3. Upload via device web interface
4. Reboot device after update
🔧 Temporary Workarounds
Network Segmentation
allIsolate VAP11G-300 devices from sensitive networks and restrict access
Access Control Lists
linuxImplement firewall rules to restrict HTTP access to trusted IPs only
iptables -A INPUT -p tcp --dport 80 -s TRUSTED_IP -j ACCEPT
iptables -A INPUT -p tcp --dport 80 -j DROP
🧯 If You Can't Patch
- Deploy network-based intrusion detection to monitor for directory traversal patterns
- Consider replacing vulnerable devices with supported alternatives
🔍 How to Verify
Check if Vulnerable:
Check device firmware version in web interface or via SSH if enabledCheck Version:
Check web interface at http://device-ip/status or similar admin pageVerify Fix Applied:
Verify firmware version is updated beyond v3.3.23.6.9📡 Detection & Monitoring
Log Indicators:
- HTTP requests containing '../' patterns
- Unusual file access attempts in web server logs
Network Indicators:
- HTTP requests with directory traversal sequences to device IP
SIEM Query:
http.url:*../* AND dst_ip:VAP11G-300_IP