CVE-2026-24663 in XWEB 300D PRO
Summary
by MITRE • 02/27/2026
An OS command injection vulnerability exists in XWEB Pro version 1.12.1 and prior, enabling an unauthenticated attacker to achieve remote code execution on the system by sending a crafted request to the libraries installation route and injecting malicious input into the request body.
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Analysis
by VulDB Data Team • 03/09/2026
This vulnerability represents a critical operating system command injection flaw in XWEB Pro version 1.12.1 and earlier installations. The security weakness resides within the application's handling of requests directed to the libraries installation route, where insufficient input validation allows malicious actors to inject arbitrary commands that execute with the privileges of the affected system. The vulnerability specifically affects the application's inability to properly sanitize user-supplied data within the request body, creating a direct pathway for remote code execution without requiring authentication credentials. This type of vulnerability falls under CWE-77 which categorizes improper neutralization of special elements used in OS commands, making it particularly dangerous as it allows attackers to execute system-level commands on the target machine. The flaw enables an attacker to perform actions such as file manipulation, system reconnaissance, privilege escalation, and potentially complete system compromise through the execution of malicious shell commands.
The operational impact of this vulnerability extends beyond simple remote code execution to encompass a wide range of malicious activities that can severely compromise system integrity and availability. Attackers can leverage this vulnerability to establish persistent access, exfiltrate sensitive data, deploy additional malware, or use the compromised system as a launch point for further attacks within the network infrastructure. The unauthenticated nature of the exploit means that any external party can potentially exploit this vulnerability without requiring valid credentials, significantly increasing the attack surface and threat vector. The affected system's privileges determine the scope of damage, as commands execute with the permissions of the application process, which may include administrative rights. This vulnerability directly aligns with ATT&CK technique T1059.001 for command and scripting interpreter, specifically shell commands, and T1078.004 for valid accounts, as the attack can potentially escalate privileges through command execution. The vulnerability also maps to ATT&CK technique T1566 for spearphishing with a malicious attachment, as the malicious input could be delivered through crafted requests that appear legitimate to the system.
Mitigation strategies for this vulnerability should prioritize immediate patching of the affected XWEB Pro versions to address the root cause of the command injection flaw. Organizations should implement network segmentation and access controls to limit exposure of vulnerable systems, particularly those running the affected software. Input validation and sanitization measures must be strengthened throughout the application's codebase to prevent similar vulnerabilities from emerging in other components. Security monitoring should include detection of unusual command execution patterns and anomalous network traffic originating from affected systems. The implementation of web application firewalls and security headers can provide additional layers of protection against malicious input injection attempts. Regular security assessments and penetration testing should be conducted to identify potential command injection vulnerabilities in similar applications. System administrators should also consider implementing principle of least privilege configurations to minimize the potential impact of successful exploitation, ensuring that application processes run with minimal necessary permissions. Additionally, network intrusion detection systems should be configured to alert on suspicious command execution patterns that may indicate exploitation attempts. The vulnerability highlights the importance of secure coding practices and input validation as fundamental security controls that should be integrated throughout the software development lifecycle to prevent such critical flaws from reaching production environments.