CVE-2023-1327
📋 TL;DR
CVE-2023-1327 is an authentication bypass vulnerability in Netgear RAX30 routers that allows unauthenticated attackers to reset the admin password and gain full administrative access to the web management interface. This affects Netgear RAX30 (AX2400) routers running firmware versions prior to 1.0.6.74. Any organization or individual using these vulnerable routers is at risk.
💻 Affected Systems
- Netgear RAX30 (AX2400)
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of the router allowing attackers to reconfigure network settings, intercept traffic, install malware, pivot to internal networks, and maintain persistent access.
Likely Case
Attackers gain administrative access to modify router settings, change DNS to redirect traffic, monitor network activity, and potentially compromise connected devices.
If Mitigated
Limited impact if router is behind additional security controls, but still exposes management interface to unauthorized access.
🎯 Exploit Status
Exploitation requires network access to the router's management interface but no authentication. Public proof-of-concept code exists.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.6.74
Vendor Advisory: https://kb.netgear.com/000065707/Security-Advisory-for-Password-Recovery-Vulnerability-on-RAX30-PSV-2022-0338
Restart Required: Yes
Instructions:
1. Log into router web interface. 2. Navigate to Advanced > Administration > Firmware Update. 3. Check for updates and install version 1.0.6.74 or later. 4. Reboot router after update completes.
🔧 Temporary Workarounds
Disable Remote Management
allPrevent external access to router management interface
Change Default Admin Credentials
allWhile this doesn't fix the vulnerability, it reduces impact if exploited
🧯 If You Can't Patch
- Isolate router on separate VLAN with strict access controls
- Implement network segmentation to limit router's access to critical systems
🔍 How to Verify
Check if Vulnerable:
Access router web interface, navigate to Advanced > Administration > Router Status and check firmware version. If version is below 1.0.6.74, device is vulnerable.Check Version:
curl -k https://[router-ip]/currentsetting.htm | grep FirmwareVerify Fix Applied:
After updating, verify firmware version shows 1.0.6.74 or higher in router status page.📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts followed by successful admin login
- Admin password reset events
- Unusual configuration changes from unknown IPs
Network Indicators:
- HTTP POST requests to password reset endpoints from unauthorized sources
- Unusual traffic patterns from router to external IPs
SIEM Query:
source="router_logs" AND (event="password_reset" OR event="admin_login" FROM external_ip)