CVE-2022-34570 in WN579 X3
Summary
by MITRE • 07/26/2022
WAVLINK WN579 X3 M79X3.V5030.191012/M79X3.V5030.191012 contains an information leak which allows attackers to obtain the key information via accessing the messages.txt page.
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Analysis
by VulDB Data Team • 08/27/2022
The vulnerability identified as CVE-2022-34570 affects WAVLINK WN579 X3 wireless routers running firmware versions M79X3.V5030.191012 or earlier. This information disclosure flaw exists within the web interface of the device, specifically exposing sensitive configuration data through an unauthenticated access point to the messages.txt file. The vulnerability represents a critical security weakness that undermines the device's ability to maintain confidentiality of its internal operational parameters.
The technical implementation of this vulnerability stems from inadequate access controls within the web server component of the router's firmware. The messages.txt page contains sensitive information including but not limited to administrative credentials, network configuration parameters, and potentially cryptographic keys used for device authentication and encryption. This file is accessible without proper authentication mechanisms, allowing any remote attacker to retrieve this information simply by navigating to the specific URL path. The flaw aligns with CWE-200, which describes improper exposure of sensitive information, and represents a direct violation of secure coding practices that should prevent unauthorized access to system-critical data.
The operational impact of this vulnerability extends beyond simple information disclosure, creating a significant attack surface that could enable further exploitation. An attacker who successfully accesses the messages.txt file could potentially gain administrative privileges, modify network configurations, or establish persistent access to the affected network. This vulnerability directly supports techniques described in the ATT&CK framework under T1566 for credential access and T1071 for application layer protocol usage. The exposure of administrative credentials could allow attackers to perform man-in-the-middle attacks, redirect traffic, or completely compromise the router's control, thereby providing a foothold for broader network infiltration.
Mitigation strategies for this vulnerability require immediate firmware updates from the manufacturer to address the access control flaw. Network administrators should implement network segmentation to limit access to affected devices and monitor for unauthorized access attempts. The vulnerability demonstrates the importance of secure configuration management and proper input validation as outlined in the OWASP Top Ten. Organizations should also consider implementing network access control lists to restrict access to router management interfaces and deploy intrusion detection systems to monitor for unusual access patterns targeting web interface endpoints. Additionally, regular security audits of network infrastructure components should include verification of access controls and proper authentication mechanisms to prevent similar information disclosure vulnerabilities from compromising network security postures.