A denial of service vulnerability exists in the cfg_server cm_processConnDiagPktList opcode of Asus RT-AX82U 3.0.0.4.386_49674-ge182230 router's configuration service. A specially-crafted network packet can lead to denial of service. An attacker can send a malicious packet to trigger this vulnerability. With a CVSS score of 7.5, this vulnerability is classified as high severity. Organizations should prioritize patching immediately.
Risk to organizations includes potential downtime and disruption of network services, which may affect operational continuity and lead to financial losses. The ease of exploitation, combined with the impact on availability, makes this a significant threat. Organizations should assess their exposure and take immediate action to remediate the vulnerability.
Asus has provided updates to address this vulnerability. Defenders should ensure that all applicable routers are running the latest firmware version. Regularly checking for updates and applying patches is essential for maintaining security.
Currently, there are no known public exploits for this vulnerability, but the potential for remote exploitation remains a concern. Organizations are advised to implement network monitoring to detect any unusual traffic patterns that may signal an attempted exploitation.
Vulnerability Details
The vulnerability described allows attackers to exploit a flaw in the configuration service of the Asus RT-AX82U router. The attack vector is network-based, and the complexity of the attack is low, requiring no privileges or user interaction to trigger the denial of service. This vulnerability is categorized under CWE-125.
Technical Analysis
The root cause of this vulnerability lies in the improper handling of specially-crafted packets by the configuration service. An attacker can leverage this flaw by sending a malicious packet to the router, which may lead to a complete denial of service. The attack complexity is classified as low, indicating that it can be executed with minimal effort. No privileges are required, and user interaction is not necessary, making it accessible to a wide range of attackers.
Risk & Impact Analysis
The deployment of vulnerable Asus RT-AX82U routers poses a significant risk to organizations, particularly those relying on continuous network availability. The potential blast radius includes all devices relying on the affected router for connectivity. Organizations should recognize the urgency of this vulnerability, given its high CVSS score and the potential for exploitation.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected version is Asus RT-AX82U firmware version 3.0.0.4.386_49674-ge182230. All versions prior to vendor patch are considered vulnerable.
Mitigation & Remediation
Asus has released a patch for this vulnerability. Organizations should ensure that their devices are updated to the latest firmware version to mitigate risks. If a patch is unavailable, consider implementing network controls to restrict access to the affected service. Regular configuration audits and monitoring for unusual traffic patterns are recommended to detect potential exploitation attempts.
For additional guidance, organizations may benefit from penetration testing to evaluate their security posture.
Detection Guidance
Organizations should monitor logs for indications of unauthorized access attempts or anomalous traffic patterns that may indicate an exploit attempt. Behavioral anomalies in network traffic, especially towards router management interfaces, should be scrutinized.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability highlights the necessity for robust security measures in consumer-grade hardware. As devices become more interconnected, the potential for exploitation increases, emphasizing the need for comprehensive security assessments. Security teams should prioritize proactive security measures, including regular firmware updates and vulnerability assessments.
For more resources on improving security posture, consider exploring our vulnerability management program and implementing a thorough penetration testing methodology to identify potential weaknesses.
Lastly, organizations should stay informed on API security best practices to mitigate future vulnerabilities.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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