A vulnerability classified as critical has been found in Tenda AC6 firmware version 15.03.05.16. The affected component is the function GetParentControlInfo, located in the file /goform/GetParentControlInfo. This vulnerability allows for a stack-based buffer overflow through the manipulation of the argument src/mac, enabling remote attackers to exploit the system. The exploit has been publicly disclosed, increasing the urgency for organizations to address this issue.
The CVSS score for this vulnerability is 8.7, indicating a high severity level. Organizations need to recognize the potential risks associated with this vulnerability, which include unauthorized access, data corruption, and service disruption. Given the attack vector is network-based and the complexity is low, attackers may exploit this vulnerability with minimal effort.
The urgency for defenders is significant. Organizations should prioritize patching immediately to prevent possible exploitation. The public disclosure of this vulnerability means that it may already be targeted by malicious actors, making timely remediation essential.
As this vulnerability is classified under multiple Common Weakness Enumerations (CWEs), including CWE-119, CWE-121, and CWE-787, it highlights the various aspects of software security that are critical to address in the development and maintenance of secure applications.
Vulnerability Details
The vulnerability in Tenda AC6 firmware is described as a stack-based buffer overflow, which allows attackers to manipulate the function GetParentControlInfo. The exploitation can lead to severe consequences, including unauthorized access and system crashes.
The vulnerability has a CVSS score of 8.7, indicating its high severity. It requires low privileges and no user interaction, which further emphasizes the risk it poses to organizations. The potential impacts on confidentiality, integrity, and availability are all rated high.
This vulnerability has been published and modified recently, highlighting the need for immediate attention from security teams.
Technical Analysis
The root cause of this vulnerability stems from improper handling of input parameters in the GetParentControlInfo function. Specifically, the manipulation of the src/mac argument can lead to a buffer overflow, allowing attackers to overwrite critical memory locations.
The attack vector is network-based, meaning that attackers can exploit this vulnerability remotely without needing physical access to the device. The attack complexity is low, with the requirement for only low privileges to initiate the attack. User interaction is not required, making the attack even more straightforward.
The impacts of this vulnerability are significant, with high ratings for confidentiality, integrity, and availability. This means that successful exploitation could lead to unauthorized access, data leaks, and service outages.
Risk & Impact Analysis
Organizations deploying Tenda AC6 firmware must recognize the real-world risks associated with this vulnerability. The potential for remote exploitation poses a substantial threat, especially considering the critical nature of the functions impacted.
The risk to organizations includes unauthorized access to sensitive information and the possibility of significant service disruption. Given the high CVSS score and the potential for exploitation, this vulnerability should be treated with urgency in remediation processes.
Organizations should prioritize patching immediately, as the vulnerability has been publicly disclosed, and attackers may already be crafting exploits.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected version for this vulnerability is Tenda AC6 firmware version 15.03.05.16. Organizations should ensure they have updated to the latest firmware to mitigate this vulnerability.
Mitigation & Remediation
Organizations should prioritize applying patches as soon as they are available. In the absence of a patch, consider implementing network controls to limit exposure to this vulnerability.
For more comprehensive security, organizations may wish to engage in penetration testing to validate the security of their network.
Detection Guidance
Organizations should monitor logs for unusual access patterns to the /goform/GetParentControlInfo endpoint. Behavioral anomalies and unexpected changes in system performance may also indicate attempts to exploit this vulnerability.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability lies in the increasing trend of vulnerabilities associated with network devices. Security teams should be aware of the patterns of exploitation that can arise from such vulnerabilities and take proactive steps to mitigate risks.
Lessons learned from this incident highlight the necessity for regular firmware updates and security assessments. Organizations should prioritize developing a robust vulnerability management program to minimize exposure to similar vulnerabilities.
For organizations utilizing Tenda products, understanding the implications of this vulnerability is vital. Engaging in penetration testing methodology can provide deeper insights into the security posture and help identify additional vulnerabilities.
In the evolving landscape of cyber threats, staying informed and prepared is critical. Continuous security testing, including continuous penetration testing, should be part of a comprehensive security strategy.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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