CVE-2026-50224 in Connect M6E 5G Portable WiFi Router
Summary
by MITRE • 06/04/2026
The web administration panel binds broadly to the public IPv6 address space on port [::]:8080 without default firewall limits, making internal API endpoints reachable over the WAN.
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Analysis
by VulDB Data Team • 06/04/2026
This vulnerability represents a critical network exposure configuration flaw that fundamentally undermines the security boundaries of administrative systems. The web administration panel's binding to the public IPv6 address space on port 8080 creates an unintended attack surface that allows external adversaries to directly access internal administrative interfaces without proper authentication or authorization mechanisms. This configuration violates fundamental security principles of network segmentation and privilege isolation, effectively turning internal management interfaces into publicly accessible entry points. The vulnerability enables unauthorized access to administrative functions that should typically be restricted to internal networks or specific trusted IP ranges, creating a pathway for malicious actors to exploit administrative capabilities from anywhere on the internet. This type of exposure commonly maps to CWE-284, which describes improper access control in software systems, and aligns with ATT&CK technique T1071.004 for application layer protocol usage in command and control communications.
The technical implementation flaw stems from the application's network binding configuration where the service listens on all available IPv6 addresses rather than restricting access to specific internal interfaces or implementing proper network access controls. When a service binds to [::]:8080, it accepts connections from any IPv6 address including external addresses, bypassing the intended network security controls. This configuration creates a persistent exposure that remains active until the service is restarted or the binding configuration is modified. The lack of default firewall limits compounds the risk by eliminating any network-based mitigation that might otherwise restrict access to the administrative interface. This configuration typically occurs in environments where security considerations were not properly integrated into the deployment process, often due to oversight during system hardening or misconfiguration during network security policy implementation.
The operational impact of this vulnerability is severe and multifaceted, as it provides adversaries with direct access to administrative controls that could enable complete system compromise. An attacker who discovers this exposed interface can potentially perform administrative actions including user management, configuration changes, data manipulation, and system monitoring without requiring additional credentials or privileges. The exposure creates opportunities for lateral movement within the network, privilege escalation, and data exfiltration through the administrative interface. Additionally, the public accessibility of these endpoints increases the attack surface for various exploit techniques including credential stuffing, brute force attacks, and automated scanning campaigns targeting common administrative interfaces. The vulnerability also creates compliance and audit issues, as it violates security standards such as NIST SP 800-53 controls that require network segmentation and access control mechanisms to protect administrative functions.
Effective mitigations for this vulnerability require immediate implementation of network-level controls combined with proper application configuration practices. The primary remediation involves configuring the web administration panel to bind only to specific internal IP addresses or localhost interfaces rather than all available addresses, ensuring that administrative services are not directly accessible from external networks. Network administrators should implement firewall rules that restrict access to port 8080 to specific trusted IP ranges or require VPN access before reaching administrative interfaces. Organizations should also implement proper network segmentation strategies that separate administrative services from public-facing applications, utilizing technologies such as VLANs, network access control lists, or dedicated administrative networks. Additionally, implementing authentication mechanisms such as multi-factor authentication, IP-based access controls, and regular security audits can help reduce the risk associated with exposed administrative interfaces. These controls align with ATT&CK technique T1068 for privilege escalation and T1071.004 for application layer protocol usage, ensuring that administrative access is properly controlled and monitored.