CVE-2025-44023 in DNS-320
Summary
by MITRE • 05/08/2025
An issue in dlink DNS-320 v.1.00 and DNS-320LW v.1.01.0914.20212 allows an attacker to execute arbitrary via the account_mgr.cgi->cgi_chg_admin_pw components.
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Analysis
by VulDB Data Team • 05/13/2025
The vulnerability identified as CVE-2025-44023 affects D-Link DNS-320 and DNS-320LW network attached storage devices running specific firmware versions. This issue represents a critical security flaw within the device's web-based administrative interface that could enable remote code execution through improper input validation and authentication bypass mechanisms. The vulnerability specifically resides within the account_mgr.cgi component, which handles administrative password changes through the cgi_chg_admin_pw function, making it a prime target for attackers seeking unauthorized access to network storage systems.
The technical flaw manifests as a lack of proper authentication checks and input sanitization within the account manager web script. When an attacker accesses the account_mgr.cgi endpoint with malicious parameters through the cgi_chg_admin_pw function, the system fails to properly validate user credentials or verify the legitimacy of the password change request. This vulnerability falls under CWE-287 which addresses improper handling of authentication tokens and authentication bypass issues, while also aligning with ATT&CK technique T1110 for credential access and T1059 for execution through command injection. The absence of proper access controls allows unauthenticated attackers to potentially escalate privileges or execute arbitrary commands on the affected devices.
The operational impact of this vulnerability is severe for organizations relying on these network storage devices for critical data storage and file sharing operations. Attackers could gain full administrative control over the affected devices, potentially leading to data exfiltration, lateral movement within the network, or use of the compromised devices as launching points for further attacks. The vulnerability affects devices running firmware versions 1.00 for DNS-320 and 1.01.0914.20212 for DNS-320LW, representing a significant portion of the deployed user base that remains vulnerable to remote exploitation without proper patching or mitigation measures.
Organizations should immediately implement network segmentation to isolate affected devices from critical network segments and apply firmware updates from D-Link as soon as they become available. Network monitoring should be enhanced to detect unusual traffic patterns or unauthorized access attempts to the account_mgr.cgi endpoint. Additionally, implementing multi-factor authentication mechanisms where available, disabling unnecessary web services, and conducting regular vulnerability assessments of network infrastructure can help reduce the attack surface. The vulnerability also underscores the importance of maintaining up-to-date firmware across all networked devices and following security best practices such as the principle of least privilege and regular security audits to prevent similar issues from compromising network security.