CVE-2024-52723 in X6000R
Summary
by MITRE • 11/22/2024
In TOTOLINK X6000R V9.4.0cu.1041_B20240224 in the shttpd file, the Uci_Set Str function is used without strict parameter filtering. An attacker can achieve arbitrary command execution by constructing the payload.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 06/16/2025
The vulnerability identified as CVE-2024-52723 affects the TOTOLINK X6000R router firmware version V9.4.0cu.1041_B20240224 and resides within the shttpd file component. This issue represents a critical security flaw that stems from insufficient input validation mechanisms within the Uci_Set Str function. The vulnerability manifests when the system processes user-supplied parameters without adequate sanitization or filtering, creating a pathway for malicious actors to exploit the device's command execution capabilities. The root cause can be categorized under CWE-77 and CWE-78 within the Common Weakness Enumeration framework, which specifically addresses command injection vulnerabilities where user input is directly incorporated into system commands without proper validation.
The technical implementation of this vulnerability allows attackers to construct malicious payloads that leverage the improperly filtered Uci_Set Str function to execute arbitrary commands on the affected device. This occurs because the shttpd component fails to validate or sanitize input parameters before passing them to system-level functions that can interpret and execute shell commands. The absence of proper parameter filtering creates a direct injection vector where crafted inputs can bypass normal security controls and gain unauthorized access to the underlying operating system. Attackers can potentially escalate privileges and gain complete control over the router's functionality, including access to network configurations, user data, and potentially the broader network infrastructure.
The operational impact of this vulnerability extends beyond simple command execution, as it can enable attackers to compromise the entire network security posture of organizations relying on the affected TOTOLINK devices. The vulnerability affects the device's web-based management interface, making it accessible through standard network protocols and potentially allowing remote exploitation without requiring physical access. This creates a significant risk for enterprise networks where such devices may serve as entry points for lateral movement, data exfiltration, or further attacks against internal systems. The attack surface is particularly concerning given that many organizations may not regularly update their router firmware, leaving these devices vulnerable to exploitation for extended periods. This vulnerability aligns with ATT&CK technique T1059.007 for Command and Scripting Interpreter, specifically focusing on the execution of system commands through web interfaces.
Mitigation strategies for CVE-2024-52723 should prioritize immediate firmware updates from TOTOLINK to address the underlying input validation flaws. Organizations must implement network segmentation to limit access to affected devices and establish monitoring protocols to detect anomalous command execution patterns. Network administrators should consider disabling unnecessary web management interfaces and implementing strict access controls using firewalls and intrusion detection systems. Additionally, regular security audits of network infrastructure should be conducted to identify similar vulnerabilities in other network devices. The vulnerability highlights the importance of input validation and proper sanitization of user-supplied data within embedded systems, emphasizing that security by design principles must be applied throughout the development lifecycle to prevent such injection vulnerabilities from occurring in network infrastructure devices.