CVE-2025-24846 in FutureNet AS-250 S
Summary
by MITRE • 03/03/2025
Authentication bypass vulnerability exists in FutureNet AS series (Industrial Routers) provided by Century Systems Co., Ltd. If this vulnerability is exploited, a remote unauthenticated attacker may obtain the device information such as MAC address by sending a specially crafted request.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 03/03/2025
The CVE-2025-24846 vulnerability represents a critical authentication bypass flaw within the FutureNet AS series industrial routers manufactured by Century Systems Co., Ltd. This vulnerability exposes a fundamental weakness in the device's security architecture that allows unauthorized remote access to sensitive information without proper authentication credentials. The affected industrial routers are designed for critical infrastructure deployments where security is paramount, making this vulnerability particularly concerning for operational technology environments.
The technical flaw manifests through a lack of proper authentication mechanisms in the device's network protocols or web interfaces. Attackers can exploit this weakness by crafting specific network requests that bypass the normal authentication process, enabling them to access device information including MAC addresses and potentially other system details. This vulnerability falls under the CWE-287 category of Improper Authentication, which specifically addresses weaknesses where authentication mechanisms are improperly implemented or bypassed. The flaw demonstrates a classic security misconfiguration where the device fails to properly validate user credentials or session tokens before granting access to information resources.
The operational impact of this vulnerability extends beyond simple information disclosure, as MAC address information can serve as a foundation for further attacks within network environments. An attacker who successfully exploits this vulnerability gains insight into the network topology and device configurations, which can be leveraged for subsequent reconnaissance activities. The remote nature of the attack means that threat actors can exploit this weakness from anywhere on the internet without requiring physical access or legitimate credentials, significantly expanding the attack surface. This vulnerability directly aligns with ATT&CK technique T1046 Network Service Scanning and T1082 System Information Discovery, as it enables attackers to gather network and system information without detection.
Organizations deploying Century Systems FutureNet AS series routers should implement immediate mitigations including network segmentation to isolate these devices from critical systems, disabling unnecessary network services, and applying firmware updates from the vendor when available. The vulnerability highlights the importance of secure configuration management in industrial environments where devices may be exposed to external networks without proper security controls. Network monitoring should be enhanced to detect anomalous requests targeting these specific device models, and access controls should be implemented to restrict network access to authorized personnel only. Given the industrial nature of these devices, organizations should also consider implementing network access control solutions and regular security assessments to identify and remediate similar vulnerabilities in their operational technology infrastructure.