CVE-2025-3462: ASUS DriverHub Auth Bypass Vulnerability

CVE-2025-3462 Overview

"This issue is limited to motherboards and does not affect laptops, desktop computers, or other endpoints." An insufficient validation in ASUS DriverHub may allow unauthorized sources to interact with the software's features via crafted HTTP requests.

Critical Impact
This vulnerability could allow an attacker to gain unauthorized access and control over motherboard firmware updates.

Affected Products

ASUS Motherboards
Not Available
Not Available

Discovery Timeline

Not Available - Vulnerability discovered by Not Available
Not Available - Responsible disclosure to Not Available
Not Available - CVE CVE-2025-3462 assigned
Not Available - Not Available releases security patch
2025-05-09 - CVE CVE-2025-3462 published to NVD
2025-05-12 - Last updated in NVD database

Technical Details for CVE-2025-3462

Vulnerability Analysis

The vulnerability exists due to insufficient validation of incoming HTTP requests in ASUS DriverHub, allowing attackers to craft malicious requests that exploit the software's update mechanism.

Root Cause

The root cause is a failure in implementing strict validation checks on the HTTP protocol used by ASUS DriverHub for communication.

Attack Vector

The attacker can exploit this vulnerability remotely via the network by sending specially crafted HTTP requests to the ASUS DriverHub service.

json

// Example exploitation code (sanitized)
GET /update?firmware=malicious_firmware.bin HTTP/1.1
Host: vulnerable.host

Detection Methods for CVE-2025-3462

Indicators of Compromise

Unusual firmware update requests
Access logs showing unauthorized HTTP requests
Unexpected changes in motherboard firmware versions

Detection Strategies

Set up network monitoring to capture and analyze HTTP traffic directed at ASUS DriverHub, particularly looking for irregular firmware update requests.

Monitoring Recommendations

Utilize SentinelOne's Network Detection and Response (NDR) capabilities to alert on suspicious firmware update activities and unauthorized access attempts.

How to Mitigate CVE-2025-3462

Immediate Actions Required

Block HTTP traffic on ports used by ASUS DriverHub on external network interfaces.
Update to the latest firmware version as recommended by ASUS Security Advisory.
Regularly audit firmware settings and network logs for unauthorized changes.

Patch Information

Monitor ASUS Security Advisory for official patch releases and apply them immediately to affected systems.

Workarounds

Create firewall rules to limit incoming traffic to trusted sources and utilize network-level authentication for all firmware updates.

bash

# Configuration example
echo 'Blocking unauthorized access to ASUS DriverHub...'
iptable -A INPUT -p tcp --dport 80 -j DROP
iptable -A INPUT -p tcp --dport 443 -j DROP