CVE-2022-36779 is a medium-severity vulnerability impacting Proscend's Industrial Cellular Routers, specifically the M330-W, M330-W5, M350-5G, M350-W5G, M350-6, M350-W6, M301-G, M301-GW, and ICR 111WG models. This vulnerability allows for unauthenticated OS command injection, which can lead to unauthorized command execution on affected devices. The CVSS score of 6.5 indicates that while the risk is moderate, the potential impact remains significant.
Published on September 13, 2022, this vulnerability has been classified under CWE-78, which pertains to OS command injection. Attackers may leverage this vulnerability through the adjacent network, requiring low privileges and no user interaction to exploit.
Risk to organizations includes potential unauthorized access to sensitive systems and data, making the urgency to remediate paramount. Organizations should prioritize patching immediately.
With a recent uptick in similar vulnerabilities, maintaining a proactive security posture is essential. Current exploit availability is confirmed, and organizations are urged to stay informed on mitigation strategies.
Vulnerability Details
The vulnerability is specifically present in various firmware versions of Proscend's devices, particularly those prior to version 1.11 for M330-W and M330-W5, and prior to version 1.02 for M350-5G, M350-W5G, M350-6, M350-W6, M301-G, M301-GW, and ICR 111WG. The critical nature of this vulnerability is underscored by the CVSS score of 9.8 classified by NVD, indicating a critical severity.
Technical Analysis
The root cause of CVE-2022-36779 stems from improper input validation in the firmware, which allows for OS command injection. This vulnerability is exploited through adjacent network access, where an attacker can send crafted requests to execute arbitrary commands. The attack complexity is low, and attackers require only low privileges with no user interaction needed. The impacts on confidentiality, integrity, and availability are all rated as low.
Risk & Impact Analysis
Organizations utilizing affected Proscend devices are exposed to significant risks. The blast radius for this vulnerability includes any systems connected to the network of the compromised device. Given the CVSS score of 9.8, organizations should address this vulnerability in their priority patch cycle. The potential for unauthorized command execution could lead to extensive data breaches and system compromises, emphasizing the urgency for immediate action.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected versions include all firmware versions prior to the following: 1.11 for M330-W and M330-W5; 1.02 for M350-5G, M350-W5G, M350-6, M350-W6; 2.20 for M301-G and M301-GW; and 1.11 for ICR 111WG. Organizations should verify their current firmware versions and apply the necessary updates.
Mitigation & Remediation
To mitigate the risk associated with CVE-2022-36779, organizations should apply the latest firmware updates provided by Proscend. If a patch is unavailable, consider implementing network segmentation to limit access to vulnerable devices. Organizations should also conduct a thorough review of their device configurations and implement strict access controls to reduce exposure.
For ongoing security validation, organizations may benefit from engaging in penetration testing to identify similar weaknesses.
Detection Guidance
Detection of exploitation attempts may include monitoring logs for unusual command executions or unauthorized access attempts. Security teams should also be vigilant for behavioral anomalies that deviate from normal operations, particularly in systems using the affected firmware.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2022-36779 reflects a growing trend in vulnerabilities associated with IoT devices. This incident illustrates the critical need for manufacturers to prioritize security in their firmware development processes. Security teams should leverage insights from this vulnerability to strengthen their defensive posture and ensure robust penetration testing methodologies and vulnerability management practices.
Through enhanced awareness and proactive security strategies, organizations can mitigate risks and respond effectively to emerging threats. For further reading on related topics, security teams should explore vulnerability management program design and best practices in securing IoT infrastructures.
Finally, organizations should not overlook the importance of continuous security assessments, particularly in the rapidly evolving landscape of IoT devices. Regular engagement with cloud penetration testing is essential in addressing vulnerabilities associated with cloud-connected devices.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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