CVE-2018-25149 in IPn4G
Summary
by MITRE • 12/24/2025
Microhard Systems IPn4G 1.1.0 contains a cross-site request forgery vulnerability that allows attackers to perform administrative actions without user consent. Attackers can craft malicious web pages to change admin passwords, add new users, and modify system settings by tricking authenticated users into loading a specially crafted page.
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Analysis
by VulDB Data Team • 01/26/2026
The CVE-2018-25149 vulnerability represents a critical cross-site request forgery flaw in Microhard Systems IPn4G version 1.1.0, demonstrating a fundamental weakness in web application security architecture. This vulnerability operates at the application layer and specifically targets the authentication and authorization mechanisms of the network management interface. The flaw stems from the absence of proper anti-forgery token validation within the web application's administrative functions, creating an exploitable condition where malicious actors can manipulate authenticated sessions without legitimate user consent. The vulnerability is classified under CWE-352, which specifically addresses Cross-Site Request Forgery issues in web applications, highlighting the dangerous nature of this particular flaw in network infrastructure devices.
The technical implementation of this vulnerability allows attackers to construct malicious web pages that automatically submit administrative requests to the vulnerable IPn4G device when an authenticated user visits the page. This occurs because the device's web interface fails to validate the origin of requests or implement proper request authenticity checks. When a user with administrative privileges accesses a maliciously crafted page, their browser automatically submits requests to the device's administrative endpoints without requiring additional user interaction or confirmation. The flaw specifically affects password modification, user account creation, and system configuration changes, all of which can be performed silently in the background of an authenticated session.
The operational impact of this vulnerability extends beyond simple privilege escalation, as it provides attackers with complete administrative control over the network device. This represents a severe compromise of network security posture since the device serves as a critical infrastructure component for network connectivity and management. Attackers can leverage this vulnerability to establish persistent access, modify network configurations, create backdoor accounts, and potentially disrupt network services. The vulnerability is particularly dangerous because it operates silently, with no user awareness of the malicious activity occurring within their authenticated session. According to ATT&CK framework, this vulnerability maps to T1078.004 for valid accounts and T1566.001 for spearphishing with a link, demonstrating how the attack chain can progress from initial access through privilege escalation to persistent presence within the network environment.
Mitigation strategies for CVE-2018-25149 should focus on implementing proper anti-forgery token mechanisms within the web application interface, ensuring that all administrative requests require validation tokens that are tied to the user's current session. Network administrators should immediately apply available vendor patches or firmware updates to address the vulnerability, as Microhard Systems would have released remediation measures to correct the authentication flow. Additional protective measures include implementing network segmentation to limit direct access to administrative interfaces, deploying web application firewalls to detect and block malicious requests, and establishing strict access controls that require multi-factor authentication for administrative functions. The vulnerability also underscores the importance of regular security assessments and penetration testing of network infrastructure devices to identify similar authentication and authorization flaws that could compromise network security. Organizations should also consider implementing network monitoring solutions that can detect anomalous administrative activity patterns that might indicate exploitation of this or similar CSRF vulnerabilities.