The vulnerability identified as CVE-2025-25667 affects Tenda AC8 Firmware version 16.03.34.06. It allows for a stack overflow through the urls parameter in the function get_parentControl_list_Info. This vulnerability is classified as critical with a CVSS score of 9.8, indicating a severe risk to organizations that utilize this firmware.
Risk to organizations includes potential unauthorized access, data loss, and service disruption due to the high impacts on confidentiality, integrity, and availability. As the attack vector is categorized as network-based with low complexity, it raises the urgency for defenders to address this vulnerability immediately.
Currently, there are no known exploits publicly available, but the nature of the vulnerability poses a significant risk if not mitigated promptly. Organizations should prioritize patching to minimize exposure.
Organizations should take immediate action to remediate this vulnerability, ensuring they are protected against potential exploitation.
Vulnerability Details
The critical vulnerability in Tenda AC8 Firmware can lead to significant security concerns. The official CVE description states that this vulnerability allows for a stack overflow due to a flaw in the get_parentControl_list_Info function. The CVSS score of 9.8 is alarming, indicating that organizations are at high risk of attack.
Affected systems include Tenda AC8 firmware version 16.03.34.06. The publication date of this vulnerability was February 20, 2025, and it has been classified under CWE-120 for stack-based buffer overflow.
Technical Analysis
The root cause of this vulnerability lies in improper validation of input parameters, specifically in the function handling the urls parameter. The attack vector is network-based, meaning that an attacker can exploit the vulnerability remotely without requiring physical access to the device.
The attack complexity is low, indicating that an attacker can successfully exploit this vulnerability with minimal effort. No user interaction is required, making it easier for attackers to target organizations. Given the critical nature of the vulnerability, the impacts on confidentiality, integrity, and availability are categorized as high.
Risk & Impact Analysis
Organizations deploying Tenda AC8 Firmware version 16.03.34.06 face significant risks associated with this vulnerability. The potential for unauthorized access and data loss can have devastating effects on business operations.
With a CVSS score of 9.8, organizations should treat this vulnerability with the utmost urgency. The potential blast radius is extensive, as this vulnerability can be exploited remotely, affecting entire networks.
Given the high criticality and the absence of known public exploits, organizations should prioritize remediation in their patching cycles to protect against possible future threats.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerable version is Tenda AC8 Firmware version 16.03.34.06. Organizations that have not applied the latest patches are at risk and should take immediate action.
Mitigation & Remediation
Organizations should prioritize patching to the latest version of Tenda AC8 Firmware to mitigate this vulnerability. If a patch is not available, consider implementing workarounds such as disabling vulnerable features or restricting access to the administrative interface to reduce the attack surface. For further guidance on security testing, organizations may refer to penetration testing services to assess the effectiveness of their security measures.
Detection Guidance
Monitoring logs for unusual activities that could indicate an exploitation attempt is critical. Look for behavioral anomalies related to the urls parameter and any unauthorized access attempts to the device’s control functions. Network signatures that match the exploit patterns should also be closely monitored.
AppSecure Threat Intelligence Insight
CVE-2025-25667 reflects an ongoing trend of vulnerabilities impacting consumer-grade networking equipment. This incident highlights the need for enhanced scrutiny on the security of devices connected to organizational networks. Security teams should take this opportunity to review their security posture and ensure that adequate defenses are in place.
Regular security assessments, including penetration testing methodology, can help identify and mitigate risks associated with such vulnerabilities before they are exploited.
Additionally, organizations should consider leveraging resources that focus on proactive threat modeling and risk assessment strategies, as these can enhance overall security posture against emerging threats.
The critical nature of CVE-2025-25667 emphasizes the importance of maintaining a robust vulnerability management program to respond effectively to threats.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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