A buffer overflow vulnerability exists in D-Link DI-8003 16.07.26A1 due to improper handling of parameters in the /xwgl_ref.asp endpoint. This vulnerability allows attackers to exploit the device by sending a crafted HTTP GET request with excessively long strings in parameters such as name, en, user_id, shibie_name, time, act, log, and rpri. The severity level of this vulnerability is classified as high, with a CVSS score of 7.5, indicating a significant risk to affected systems.
Risk to organizations includes potential denial of service due to system unavailability, which can disrupt operations and impact business continuity. Given the nature of the vulnerability, it is crucial for organizations using D-Link DI-8003 firmware to assess their exposure and prioritize patching to prevent exploitation.
As of now, there are no known exploits or proof of concept code available, which may reduce immediate risk. However, organizations should remain vigilant and monitor for any developments regarding this vulnerability. Organizations should prioritize patching immediately to mitigate potential risks associated with this vulnerability.
The urgency for defenders is high, and they should address this vulnerability in their priority patch cycle to ensure the security of their network infrastructure and devices.
Vulnerability Details
The D-Link DI-8003 firmware version 16.07.26A1 is affected by this buffer overflow vulnerability. The CVSS score is 7.5, indicating high severity, and it is characterized by an attack vector over the network with low attack complexity. The attacker does not require privileges and user interaction is not needed to exploit this vulnerability. The impact on availability is high, meaning the device can become unavailable due to the overflow.
Technical Analysis
The vulnerability arises due to improper handling of parameters in the specified endpoint, allowing for the possibility of buffer overflow. The attack vector is through the network, and the complexity level is low, making it easier for attackers to exploit. No privileges are required, and there is no need for user interaction, which increases the risk factor.
Risk & Impact Analysis
The real-world deployment risk associated with this vulnerability is significant as the D-Link DI-8003 is used in various network environments. The potential blast radius includes any connected devices that rely on this firmware. Organizations should consider the urgency of addressing this vulnerability based on its CVSS score and the high availability impact.
Given the vulnerability's characteristics and the available metrics, organizations should prioritize patching immediately. The risk of service disruption and potential exploitation necessitates swift action to secure affected devices.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerability affects D-Link DI-8003 firmware version 16.07.26A1. Organizations should ensure that they are running the latest firmware to mitigate this vulnerability.
Mitigation & Remediation
Organizations should apply the latest patches provided by D-Link to remediate this vulnerability. Configuration hardening and monitoring for unusual activity can also help mitigate risks. For further information on security testing practices, organizations may refer to our penetration testing services.
Detection Guidance
Organizations should monitor system logs for indicators of exploitation attempts, such as unusual HTTP request patterns targeting the vulnerable endpoint. Additionally, behavioral anomalies in device performance should be investigated.
AppSecure Threat Intelligence Insight
This vulnerability highlights the ongoing risks associated with inadequate parameter validation in network devices. It serves as a reminder for organizations to regularly update their firmware and conduct vulnerability management programs to address emerging threats. Furthermore, organizations should keep abreast of security advisories and consider implementing penetration testing methodologies to proactively identify potential vulnerabilities in their systems.
In conclusion, organizations should prioritize the remediation of this vulnerability to safeguard their network infrastructure.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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