A vulnerability, which was classified as critical, was found in WAVLINK WN535K2 and WN535K3. This affects an unknown part of the file /cgi-bin/mesh.cgi?page=upgrade. The manipulation of the argument key leads to os command injection. The exploit has been disclosed to the public and may be used.
With a CVSS score of 9.8, this vulnerability is categorized as critical, signifying a severe risk to organizations that utilize these devices. The potential for exploitation is significant, as attackers may leverage this flaw to execute arbitrary commands on the affected systems.
Organizations should prioritize patching immediately. The nature of this vulnerability, coupled with its high severity, necessitates immediate attention from security teams to protect against potential exploitation.
Given the public disclosure of the exploit, it is imperative that organizations assess their exposure to this vulnerability and implement necessary remediation measures as soon as possible.
Vulnerability Details
A vulnerability, which was classified as critical, was found in WAVLINK WN535K2 and WN535K3. This affects an unknown part of the file /cgi-bin/mesh.cgi?page=upgrade. The manipulation of the argument key leads to os command injection. The exploit has been disclosed to the public and may be used.
The CVSS score is 9.8, indicating a critical severity level. The vulnerability is categorized under CWE-78, which pertains to OS command injection vulnerabilities. Affected products include wl-wn535k2_firmware and wl-wn535k3_firmware.
Technical Analysis
The root cause of this vulnerability stems from insufficient validation of user-supplied input in the affected file. This oversight allows attackers to manipulate the argument key, leading to OS command injection. The attack vector is classified as adjacent network, meaning that an attacker must be on the local network to exploit this vulnerability.
The attack complexity is low, and the privileges required to exploit this vulnerability are also low, making it easier for attackers to execute commands without needing extensive permissions. Importantly, no user interaction is required, which further facilitates exploitation.
The impact on confidentiality, integrity, and availability is classified as high, meaning that successful exploitation can lead to significant data breaches, unauthorized access, and service disruptions.
Risk & Impact Analysis
Risk to organizations includes potential unauthorized access to sensitive systems and data through OS command injection. Given the critical nature of this vulnerability, the blast radius could extend to all devices running the affected firmware, posing a severe risk to network security.
Organizations should address in priority patch cycle, as attackers may actively seek to exploit this vulnerability in the wild due to its public disclosure. The urgency is further underscored by the high EPSS score of approximately 90.96, indicating a significant likelihood of exploitation.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected versions include wl-wn535k2_firmware and wl-wn535k3_firmware. Organizations should consider all versions prior to vendor patch.
Mitigation & Remediation
To mitigate this vulnerability, organizations should apply the latest firmware updates provided by WAVLINK. Patch information can be found on the vendor's official website. If a patch is not available, consider implementing network segmentation to limit access to vulnerable devices.
Additionally, organizations may benefit from conducting a thorough security assessment to identify potential weaknesses in their network and device configurations. Regular monitoring and auditing of network traffic can also help detect any unauthorized access attempts.
Organizations should validate remediation through penetration testing to identify similar weaknesses.
Detection Guidance
To detect potential exploitation attempts, organizations should monitor logs for unusual command execution patterns and unauthorized access attempts. Behavioral anomalies in system operations should also be flagged for further investigation.
Network signatures associated with known exploitation techniques should be implemented to enhance detection capabilities.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability lies in its potential to expose devices to severe security risks. This incident highlights the importance of continuous monitoring and prompt remediation of vulnerabilities within networked devices.
Security teams should adopt a proactive stance towards vulnerability management, ensuring that firmware and software are regularly updated to mitigate risks. This case serves as a reminder of the evolving threat landscape and the need for robust security practices.
For continuous improvement in security posture, organizations can refer to best practices in penetration testing methodology and implement comprehensive security assessments.
Moreover, organizations should consider implementing a vulnerability management program to systematically address and remediate vulnerabilities as they arise.
In summary, the WAVLINK vulnerability underscores the necessity for organizations to remain vigilant and prepared to respond to emerging threats effectively.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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