CVE-2024-34257 Scanner

The TOTOLINK EX1800T is a router used widely in homes and small offices to provide reliable and high-speed internet connectivity. It is frequently set up by network administrators seeking to extend wireless coverage and improve connection stability across various devices. This router helps ensure uninterrupted internet service, making it a crucial element in the network infrastructure of modern households and workplaces. Its user-friendly interface and compatible firmware allow for easy configuration and management. It is often integrated into existing network systems to bolster connectivity, security, and data management. TOTOLINK EX1800T usually features capabilities such as signal optimization, device management, and advanced security settings.

The Command Injection vulnerability in TOTOLINK EX1800T, specifically in the apcliEncrypType parameter, allows unauthorized users to inject and execute arbitrary commands. This flaw essentially grants attackers the capacity to gain elevated privileges within the device, potentially compromising its secure operation. Such vulnerabilities are typically exploited by sending carefully crafted inputs or requests to the affected parameter. These attacks often bypass normal authentication mechanisms, directly affecting device integrity and confidentiality. Mitigating this vulnerability requires understanding the specific attack vectors used by malicious entities. Continued vigilance and timely patches are essential to counteract potential exploits targeting this weakness.

The technical details of this vulnerability revolve around unauthorized manipulation of the apcliEncrypType parameter in the cgi-bin script of TOTOLINK EX1800T. Attackers exploit this by injecting command syntax that, when processed, performs unintended operations on the device. This type of vulnerability is often exploited via HTTP requests containing malicious payloads. Successfully exploiting this flaw can result in attackers executing commands with administrator-level access. Such unauthorized command execution can manipulate device operation, compromise data, or further exploit network-connected systems. Therefore, recognizing and correcting input validation flaws is essential to fortify the system against these types of attacks.

When exploited, this vulnerability can lead to severe consequences, such as unauthorized command execution on the router, unauthorized data manipulation, and potential denial of service. Attackers could gain administrator privileges, altering configurations or accessing restricted data. This may further provide a foothold for lateral movement within the network, potentially targeting additional systems. Continuation of such exploits could degrade network performance, lead to data breaches, and undermine the confidentiality, integrity, and availability of connected systems. Inherent vulnerabilities in network devices like TOTOLINK EX1800T necessitate prompt action to safeguard against persistent threats.

REFERENCES

• https://github.com/ZackSecurity/VulnerReport/blob/cve/totolink/EX1800T/1.md
• https://immense-mirror-b42.notion.site/TOTOLINK-EX1800T-has-an-unauthorized-arbitrary-command-execution-vulnerability-2f3e308f5e1d45a2b8a64f198cacc350