CVE-2024-42657 in NTPL-XPON1GFEVN
Summary
by MITRE • 08/19/2024
An issue in wishnet Nepstech Wifi Router NTPL-XPON1GFEVN v1.0 allows a remote attacker to obtain sensitive information via the lack of encryption during login process
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Analysis
by VulDB Data Team • 08/21/2024
The vulnerability identified as CVE-2024-42657 affects the wishnet Nepstech Wifi Router NTPL-XPON1GFEVN version 1.0, presenting a critical security flaw that enables remote attackers to access sensitive information through unencrypted authentication processes. This device operates within the telecommunications infrastructure domain, specifically targeting fiber optic network termination points where secure access controls are paramount for maintaining network integrity and preventing unauthorized access to critical network resources. The router's failure to implement encryption during the login phase creates an exploitable condition that directly violates fundamental security principles for network device authentication mechanisms.
The technical flaw manifests as a complete absence of transport layer encryption during the authentication process, meaning that all login credentials including usernames and passwords are transmitted in plaintext over the network. This vulnerability falls under CWE-312, which specifically addresses the exposure of sensitive information through cleartext transmission, and represents a critical weakness in the device's security architecture. Attackers can leverage this flaw through passive network monitoring techniques to capture authentication credentials as they traverse the network, effectively bypassing any authentication mechanisms the device might otherwise provide. The vulnerability exists at the application layer where the router's web interface handles user authentication, making it particularly dangerous as it affects the primary means of device access and management.
The operational impact of this vulnerability extends far beyond simple credential theft, as successful exploitation allows attackers to gain full administrative control over the affected router. This compromise enables malicious actors to manipulate network configurations, redirect traffic, implement man-in-the-middle attacks, and potentially use the compromised device as a pivot point for further attacks within the network infrastructure. The vulnerability affects network operators and service providers who rely on these devices for their fiber optic network termination points, potentially exposing entire network segments to unauthorized access. According to ATT&CK framework tactic T1071.004, this vulnerability enables network protocol abuse through the exploitation of unencrypted communication channels, while technique T1566.001 demonstrates how such flaws can be leveraged for credential access through network-based attacks.
Mitigation strategies for CVE-2024-42657 require immediate implementation of network segmentation measures to isolate affected devices from critical network infrastructure, alongside mandatory firmware updates from the vendor when available. Network administrators should implement additional authentication controls such as two-factor authentication and establish monitoring protocols to detect suspicious authentication attempts. The device configuration should be reviewed to ensure that only necessary services are exposed and that all communication channels utilize encrypted protocols such as HTTPS with strong TLS versions. Organizations should also consider implementing network access control lists and intrusion detection systems to identify and prevent exploitation attempts. According to NIST SP 800-53 security controls, this vulnerability requires immediate remediation through patch management processes and continuous monitoring of network traffic for signs of credential interception. The vulnerability underscores the importance of implementing defense-in-depth strategies and demonstrates how basic encryption requirements can prevent fundamental access control failures in network infrastructure devices.