CVE-2019-11061 Explained : Impact and Mitigation
Learn about CVE-2019-11061, a critical vulnerability in ASUS HG100 firmware up to version 4.00.06 allowing unauthorized control of IoT devices. Find mitigation steps and impact details here.
An HG100 firmware vulnerability has been identified in versions up to 4.00.06 that could lead to broken access control, allowing attackers to manipulate IoT devices within the same local area network without authentication.
Understanding CVE-2019-11061
This CVE involves a broken access control vulnerability in the HG100 firmware, impacting ASUS devices.
What is CVE-2019-11061?
The vulnerability in HG100 firmware versions up to 4.00.06 enables attackers on the same local network to control IoT devices without authentication, posing risks to confidentiality, integrity, and availability.
The Impact of CVE-2019-11061
- Attackers can access http://[target]/smarthome/devicecontrol to gain control over IoT devices without authentication.
- Risks include confidentiality, integrity, and availability breaches.
- CVSS 3.0 base score of 10 (Critical severity).
Technical Details of CVE-2019-11061
This section provides detailed technical information about the vulnerability.
Vulnerability Description
- Broken access control vulnerability in HG100 firmware versions up to 4.00.06.
Affected Systems and Versions
- Product: HG100 firmware
- Vendor: ASUS
- Versions affected: up to 4.00.0.6
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: None
- User Interaction: None
- Scope: Changed
- Availability Impact: High
- Confidentiality Impact: High
- Integrity Impact: High
- Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Mitigation and Prevention
Protecting systems from this vulnerability is crucial to ensure security.
Immediate Steps to Take
- Apply security patches provided by ASUS promptly.
- Monitor network traffic for any suspicious activity.
- Restrict access to vulnerable devices.
Long-Term Security Practices
- Regularly update firmware and software to the latest versions.
- Implement network segmentation to isolate IoT devices.
- Conduct security audits and penetration testing regularly.
Patching and Updates
- Stay informed about security updates from ASUS.
- Apply patches as soon as they are released to mitigate the vulnerability.