Discover the critical format string vulnerability in ASUS RT-AX56U V2 & RT-AC86U (3.0.0.4.386_50460 & 3.0.0.4_386_51529). Learn the impact, technical details, and mitigation steps.
A detailed overview of the format string vulnerability in ASUS RT-AX56U V2 & RT-AC86U, its impact, technical details, and mitigation strategies.
Understanding CVE-2023-35087
This section delves into the nature of the vulnerability, its impact, affected systems, and the steps needed to mitigate the risks involved.
What is CVE-2023-35087?
A format string vulnerability has been identified in ASUS RT-AX56U V2 & RT-AC86U due to lacking validation for a specific value. This allows unauthenticated remote attackers to execute arbitrary code, system operations, or disrupt services on affected devices.
The Impact of CVE-2023-35087
This vulnerability, with a CVSS base score of 9.8 (Critical), poses a high risk to confidentiality, integrity, and availability. Attackers can exploit the flaw without the need for any privileges, making it a severe threat.
Technical Details of CVE-2023-35087
Explore the vulnerability description, affected systems, versions, and the exploitation mechanism in this section.
Vulnerability Description
The vulnerability arises from missing validation for a specific value when calling a function in the AiMesh system, enabling remote attackers to execute malicious activities.
Affected Systems and Versions
Devices impacted include RT-AX56U V2 with version 3.0.0.4.386_50460 and RT-AC86U with version 3.0.0.4_386_51529.
Exploitation Mechanism
Remote unauthenticated attackers can exploit this vulnerability without privilege to execute arbitrary code, system operations, or disrupt services on the affected ASUS routers.
Mitigation and Prevention
Learn about immediate steps to secure your devices, long-term security practices, and the significance of patching and updates.
Immediate Steps to Take
To address this vulnerability, update firmware to version 3.0.0.4_386_51598 for RT-AX56U V2 and version 3.0.0.4.386_51915 for RT-AC86U.
Long-Term Security Practices
Regularly update firmware, implement network security measures, and conduct security audits to prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security patches and updates released by ASUS to address vulnerabilities and improve the security posture of your devices.