CVE-2010-0936 in DKVM-IP8
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in auth.asp on the D-LINK DKVM-IP8 with firmware 2282_dlinkA4_p8_20071213 allows remote attackers to inject arbitrary web script or HTML via the nickname parameter.
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Analysis
by VulDB Data Team • 05/02/2026
The CVE-2010-0936 vulnerability represents a critical cross-site scripting flaw in the D-LINK DKVM-IP8 remote management device firmware version 2282_dlinkA4_p8_20071213. This vulnerability specifically affects the auth.asp web interface component where user input is not properly sanitized before being processed and returned to clients. The issue manifests through the nickname parameter which serves as an entry point for malicious script injection attempts. This particular device configuration operates as a KVM (Keyboard, Video, Mouse) over IP solution, providing remote access to computer systems through web-based interfaces, making it a prime target for attackers seeking persistent access to networked environments.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious payload containing HTML or JavaScript code and submits it through the nickname parameter in the auth.asp interface. The web application fails to implement proper input validation or output encoding mechanisms, allowing the injected malicious code to execute within the context of the victim's browser session. This creates a persistent threat vector where attackers can execute arbitrary scripts against authenticated users who interact with the compromised interface. The vulnerability aligns with CWE-79 which specifically addresses Cross-Site Scripting flaws in web applications, and represents a classic example of insecure input handling that violates fundamental web security principles. The attack surface is particularly concerning given that the DKVM-IP8 device is designed for remote administration, meaning that successful exploitation could provide attackers with unauthorized access to critical system functions.
The operational impact of this vulnerability extends beyond simple script execution, as it enables attackers to perform session hijacking, steal authentication tokens, and potentially gain elevated privileges within the remote management environment. The compromised device could serve as a persistent backdoor for attackers to maintain access to the network, especially since the KVM functionality provides direct access to computer systems. This vulnerability directly maps to several ATT&CK techniques including T1078 for valid accounts and T1566 for credential harvesting, as attackers can leverage the compromised interface to gather sensitive information from authenticated sessions. The long-term implications include potential data exfiltration, system compromise, and the establishment of covert access points that could remain undetected for extended periods, particularly in environments where network monitoring may not adequately inspect web application traffic.
Mitigation strategies for this vulnerability should focus on immediate firmware updates from D-LINK to address the specific input validation issues in the auth.asp component. Organizations should implement network segmentation to isolate management interfaces from general network traffic, and deploy web application firewalls to detect and block malicious script injection attempts. Input sanitization measures including proper parameter validation, output encoding, and the implementation of Content Security Policies should be enforced at the application layer. Security monitoring should include inspection of web application traffic for suspicious payloads and anomalous authentication patterns. Additionally, network administrators should consider disabling unnecessary web management interfaces when not actively required, and implement multi-factor authentication where possible to reduce the impact of credential compromise. The vulnerability demonstrates the critical importance of maintaining up-to-date firmware and implementing robust input validation practices in embedded web applications, particularly those handling authentication and remote access functions.