CVE-2024-3080: ASUS Router Authentication Bypass Flaw

CVE-2024-3080 Overview

Certain ASUS router models have authentication bypass vulnerability, allowing unauthenticated remote attackers to log in the device.

Critical Impact

This vulnerability allows attackers to bypass authentication controls, potentially leading to unauthorized access and control over affected devices.

Affected Products

• Specific ASUS router models
• Not Available
• Not Available

Discovery Timeline

• Not Available - Vulnerability discovered by Not Available
• Not Available - Responsible disclosure to Not Available
• Not Available - CVE CVE-2024-3080 assigned
• Not Available - Not Available releases security patch
• 2024-06-14T03:15:13.807 - CVE CVE-2024-3080 published to NVD
• 2024-11-21T09:28:51.213 - Last updated in NVD database

Technical Details for CVE-2024-3080

Vulnerability Analysis

This vulnerability is due to the improper handling of authentication requests, allowing unauthenticated users to gain access to the admin interface of certain ASUS routers.

Root Cause

The root cause of CVE-2024-3080 lies in insufficient input validation and authorization checks within the HTTP login mechanism.

Attack Vector

Network-based attackers can exploit this vulnerability remotely without any authentication or user interaction, allowing them access to administrative controls.

# Example exploitation code (sanitized)
curl -X POST http://router_ip/login \
  -d "username=admin" \
  -d "password="

Detection Methods for CVE-2024-3080

Indicators of Compromise

• Unfamiliar login attempts in router logs
• Configuration changes not made by legitimate admin users
• Unexpected network traffic to/from the router

Detection Strategies

Utilize intrusion detection systems with signature detection for unauthorized login attempts. Monitor admin login logs for anomalies.

Monitoring Recommendations

Implement continuous monitoring of router configurations and logs for abnormal activities and failed authentication attempts.

How to Mitigate CVE-2024-3080

Immediate Actions Required

• Disable remote management on affected ASUS router models
• Conduct thorough network scans to detect unauthorized systems
• Alert IT staff on heightened vigilance for unusual administrative activities

Patch Information

Check ASUS's official website or support channels for any available security updates and apply them immediately to mitigate this vulnerability.

Workarounds

Consider setting up firewall rules to restrict access to the router's management interface from trusted IP addresses only.

# Configuration example for limiting access
iptables -A INPUT -p tcp --dport 80 -s trusted_ip -j ACCEPT