CVE-2026-1448 in DIR-615
Summary
by MITRE • 01/27/2026
A vulnerability was detected in D-Link DIR-615 up to 4.10. This impacts an unknown function of the file /wiz_policy_3_machine.php of the component Web Management Interface. Performing a manipulation of the argument ipaddr results in os command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
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Analysis
by VulDB Data Team • 01/28/2026
The vulnerability identified as CVE-2026-1448 represents a critical command injection flaw within the D-Link DIR-615 wireless router firmware version 4.10 and earlier. This security weakness resides in the web management interface component, specifically within the /wiz_policy_3_machine.php file which handles network policy configuration functions. The vulnerability stems from inadequate input validation mechanisms that fail to properly sanitize user-supplied data, particularly the ipaddr parameter, allowing malicious actors to inject arbitrary operating system commands directly into the router's underlying system.
The technical exploitation of this vulnerability occurs through manipulation of the ipaddr argument within the web interface, which triggers an operating system command injection attack. When a remote attacker submits malicious input through this parameter, the system processes the input without proper sanitization, enabling execution of arbitrary commands with the privileges of the web server process. This flaw falls under CWE-77 and CWE-94 categories, representing command injection and code injection vulnerabilities respectively, and aligns with ATT&CK technique T1059.001 for command and script injection. The vulnerability's remote exploitability means attackers can initiate attacks from external networks without requiring physical access to the device, making it particularly dangerous for home and small office environments where routers are often exposed to the internet.
The operational impact of this vulnerability extends beyond simple unauthorized access, as successful exploitation could enable attackers to gain full control over the affected router. This includes the ability to modify network configurations, redirect traffic, establish persistent backdoors, and potentially use the compromised device as a launch point for further attacks against internal network resources. Given that the DIR-615 series is no longer supported by D-Link, affected users cannot receive official security patches or updates, leaving them vulnerable to ongoing exploitation. The public availability of exploit code further amplifies the risk, as it lowers the barrier to entry for attackers and increases the likelihood of widespread compromise. Organizations and individuals using unsupported firmware versions face heightened risk of network infiltration and data breaches, particularly in environments where these devices serve as primary network gateways.
Mitigation strategies for this vulnerability are limited due to the end-of-life status of the affected devices, but several approaches can reduce risk exposure. Network segmentation should be implemented to isolate affected routers from critical internal systems, while disabling unnecessary services and ports can limit attack surface. Regular network monitoring for suspicious traffic patterns and unauthorized configuration changes remains essential for early detection of compromise. Users should consider immediate replacement of affected devices with supported models, and organizations should conduct comprehensive network assessments to identify all potentially vulnerable endpoints. Additionally, implementing network access controls and firewall rules to restrict external access to router management interfaces can provide additional protective layers against exploitation attempts.