CVE-2026-2260 in DCS-931L
Summary
by MITRE • 02/10/2026
A vulnerability was found in D-Link DCS-931L up to 1.13.0. This affects an unknown part of the file /goform/setSysAdmin. The manipulation of the argument AdminID results in os command injection. The attack can be executed remotely. The exploit has been made public and could be used. This vulnerability only affects products that are no longer supported by the maintainer.
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Analysis
by VulDB Data Team • 02/10/2026
The vulnerability identified as CVE-2026-2260 represents a critical os command injection flaw within the D-Link DCS-931L network camera firmware version 1.13.0 and earlier. This security weakness resides in the /goform/setSysAdmin endpoint which processes administrative configuration parameters, specifically the AdminID argument that controls system administrator access. The vulnerability stems from inadequate input validation and sanitization within the web application interface, allowing malicious actors to inject arbitrary operating system commands through the vulnerable parameter. The affected device operates with a web-based management interface that fails to properly escape or filter user-supplied data before incorporating it into system commands, creating a direct pathway for command execution.
The technical exploitation of this vulnerability occurs through remote manipulation of the web form interface, where an attacker can submit malicious payloads in the AdminID parameter of the setSysAdmin endpoint. When the firmware processes this input without proper sanitization, the injected commands execute with the privileges of the web server process, typically running with elevated system permissions. This allows attackers to perform arbitrary operations including but not limited to executing system binaries, accessing sensitive files, modifying system configurations, and potentially establishing persistent backdoors. The vulnerability's classification as remote execution capability means that no physical access or local network presence is required for exploitation, making it particularly dangerous for network-connected devices.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it provides attackers with complete control over the affected device's functionality. In a networked environment, compromised cameras can serve as entry points for lateral movement, enabling attackers to pivot to other network segments and potentially access connected systems. The fact that this vulnerability affects end-of-life products compounds the risk significantly, as these devices no longer receive security updates or patches from the vendor, leaving them permanently exposed to exploitation. The public availability of exploitation tools further amplifies the threat landscape, as any attacker with basic technical knowledge can leverage this vulnerability without requiring advanced skills or specialized resources.
Organizations should immediately implement network segmentation strategies to isolate affected devices from critical network segments, particularly when these devices are connected to internal networks or contain sensitive data. Network monitoring solutions should be configured to detect anomalous traffic patterns that may indicate exploitation attempts, including unusual command execution patterns or unexpected network connections. The implementation of web application firewalls and input validation controls can help mitigate the risk of exploitation by filtering malicious payloads before they reach the vulnerable endpoint. Additionally, organizations should conduct comprehensive inventory audits to identify all affected D-Link DCS-931L devices within their network infrastructure and prioritize their replacement or decommissioning. Security teams should also review and update their incident response procedures to account for potential exploitation of this vulnerability, ensuring rapid detection and remediation capabilities. The vulnerability's alignment with CWE-77 and CWE-88 categories indicates fundamental flaws in input handling and command construction that require comprehensive architectural review and remediation strategies.