Tenda AC6 15.03.05.16_multi is vulnerable to Buffer Overflow in the sub_452A4 function. This vulnerability has been classified as medium severity, with a CVSS score of 6.5, indicating a moderate risk to organizations. The attack vector is network-based, and because the attack complexity is rated as low, it may be easily exploitable by malicious actors.
Risk to organizations includes potential unauthorized access to sensitive data and disruption of service. Given the nature of the vulnerability, organizations should address this issue in their priority patch cycle.
Currently, there are no public exploits reported, and the vulnerability is not included in the Known Exploited Vulnerabilities (KEV) catalog. However, the low user interaction requirement raises concerns for automated exploitation scenarios.
Organizations should prioritize patching immediately to mitigate the risk posed by this vulnerability and ensure the security of their network devices.
Vulnerability Details
The vulnerability in Tenda AC6 15.03.05.16_multi allows attackers to exploit a buffer overflow condition in the sub_452A4 function. The CVSS score is 6.5, indicating a medium severity level. The vulnerability affects the ac6_firmware component of the Tenda product line, with a publication date of February 21, 2025.
The corresponding Common Weakness Enumeration (CWE) classification is CWE-120, indicating a buffer copy without proper bounds checking. This vulnerability has been officially analyzed and documented.
Technical Analysis
The root cause of this vulnerability lies in inadequate bounds checking in the sub_452A4 function. This oversight allows attackers to manipulate the buffer, potentially leading to memory corruption. The attack vector for this vulnerability is network-based, requiring no privileges or user interaction to exploit.
With low complexity and no privileges required, the vulnerability poses a significant risk. The impact on confidentiality and integrity is rated as low, while there is no availability impact.
Risk & Impact Analysis
The buffer overflow vulnerability in Tenda AC6 could lead to unauthorized access and potential data breaches. Organizations utilizing this firmware should be particularly vigilant, as the attack could occur without user interaction, making it easier for attackers to exploit the flaw.
The urgency of addressing this vulnerability is underscored by its medium CVSS score. Organizations should incorporate this patch into their immediate remediation efforts to safeguard their infrastructure and sensitive data.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerability affects Tenda AC6 firmware version 15.03.05.16_multi. Organizations using this firmware version should ensure they apply the necessary patches to mitigate the risk.
Mitigation & Remediation
To remediate this vulnerability, organizations should update their firmware to the latest version provided by Tenda. If an immediate patch is not available, consider implementing network controls to limit exposure to potentially malicious traffic targeting this vulnerability.
Monitoring network traffic for unusual activity can help detect any attempts to exploit this vulnerability before a patch is applied. Additionally, organizations should consider applying configuration hardening measures to enhance overall security.
For further guidance, organizations can refer to resources on penetration testing to validate the effectiveness of their remediation efforts.
Detection Guidance
Organizations should monitor logs for indicators of exploitation attempts, such as unusual requests to the vulnerable function. Additionally, behavioral anomalies in network traffic may signify attempts to exploit the buffer overflow vulnerability.
Network signatures that identify abnormal patterns related to the vulnerability can assist in early detection of attempts to exploit the flaw.
AppSecure Threat Intelligence Insight
The Tenda AC6 vulnerability highlights the overarching risks associated with IoT devices that often lack robust security measures. Security teams should remain vigilant about the potential for such vulnerabilities to be exploited, particularly in a landscape where IoT devices are increasingly targeted.
Organizations should consider incorporating insights from threat intelligence sources to proactively address similar vulnerabilities in the future. Regular vulnerability assessments and security testing can help identify and mitigate risks associated with emerging threats.
For more information on securing IoT devices, organizations can refer to our article on IoT security best practices.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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