CVE-2022-29337 in FD702XW-X-R430
Summary
by MITRE • 05/25/2022
C-DATA FD702XW-X-R430 v2.1.13_X001 was discovered to contain a command injection vulnerability via the va_cmd parameter in formlanipv6. This vulnerability allows attackers to execute arbitrary commands via a crafted HTTP request.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 05/29/2022
The CVE-2022-29337 vulnerability represents a critical command injection flaw in the C-DATA FD702XW-X-R430 v2.1.13_X001 network device firmware. This vulnerability specifically affects the formlanipv6 component which processes the va_cmd parameter, creating an exploitable entry point for malicious actors to execute arbitrary commands on the affected system. The vulnerability stems from insufficient input validation and sanitization within the device's web interface handling mechanism, allowing attackers to inject malicious commands that are subsequently executed by the underlying operating system.
This command injection vulnerability operates at the application layer and can be exploited through crafted HTTP requests that target the va_cmd parameter. The flaw falls under the CWE-77 category of Command Injection, which is classified as a high-risk vulnerability due to its potential for remote code execution and system compromise. Attackers can leverage this vulnerability to gain unauthorized access to the device's command execution environment, potentially leading to complete system control and unauthorized network access. The vulnerability is particularly concerning because it allows for remote exploitation without requiring authentication, making it accessible to any attacker who can reach the device's web interface.
The operational impact of CVE-2022-29337 extends beyond simple command execution to encompass potential network reconnaissance, lateral movement, and persistent access within affected networks. Once exploited, attackers can manipulate network configurations, establish backdoors, or use the compromised device as a pivot point for attacking other systems within the network perimeter. The vulnerability directly maps to ATT&CK technique T1059.001 for Command and Scripting Interpreter, enabling adversaries to execute commands through the device's legitimate interfaces. Organizations using affected C-DATA FD702XW-X-R430 devices face significant risk of unauthorized access, data exfiltration, and potential disruption of network services.
Mitigation strategies for this vulnerability should include immediate firmware updates from the vendor to address the command injection flaw, followed by network segmentation to limit access to affected devices. Network monitoring should be enhanced to detect unusual command execution patterns and malformed HTTP requests targeting the va_cmd parameter. Access controls should be implemented to restrict web interface access to trusted administrative networks only, while disabling unnecessary services and ports. Security teams should also conduct comprehensive network scans to identify all affected devices and implement proper input validation mechanisms. The vulnerability highlights the importance of secure coding practices and input sanitization, particularly in network devices where unauthenticated remote code execution can lead to severe security breaches and compromise of entire network infrastructures.