CVE-2022-35262 in R1510
Summary
by MITRE • 10/25/2022
A denial of service vulnerability exists in the web_server hashFirst functionality of Robustel R1510 3.1.16 and 3.3.0. A specially-crafted network request can lead to denial of service. An attacker can send a sequence of requests to trigger this vulnerability.The `/action/import_xml_file/` API is affected by command injection vulnerability.
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Analysis
by VulDB Data Team • 10/26/2022
The vulnerability CVE-2022-35262 represents a critical security flaw affecting Robustel R1510 devices running firmware versions 3.1.16 and 3.3.0. This issue manifests through two distinct but related attack vectors that together create a significant risk for affected systems. The primary vulnerability resides within the web_server hashFirst functionality, which when exploited can cause a denial of service condition that effectively renders the device unavailable to legitimate users. The secondary vulnerability involves a command injection flaw in the /action/import_xml_file/ API endpoint, which provides attackers with additional attack surface to compromise system integrity. Both vulnerabilities stem from inadequate input validation and sanitization mechanisms within the device's web interface implementation.
The technical exploitation of this vulnerability occurs through carefully crafted network requests that target the hashFirst functionality and the XML import API endpoint. When an attacker sends a sequence of specially formatted requests to the affected device, the hashFirst functionality fails to properly validate incoming data, allowing malicious input to disrupt normal device operations. The command injection vulnerability in the /action/import_xml_file/ API is particularly concerning as it enables attackers to execute arbitrary commands on the device with the privileges of the web server process. This dual nature of the vulnerability means that an attacker can first establish a denial of service condition through the hashFirst functionality and then escalate the attack to achieve command execution through the XML import endpoint, creating a comprehensive attack scenario that can completely compromise the device's availability and integrity.
The operational impact of CVE-2022-35262 extends beyond simple service disruption to encompass potential system compromise and data exposure risks. Organizations relying on Robustel R1510 devices for network management, monitoring, or industrial control applications face significant operational risks when these devices are vulnerable to such attacks. The denial of service component can cause critical network infrastructure to become unavailable, potentially disrupting business operations and communication systems. The command injection vulnerability creates a more severe threat vector that allows attackers to gain unauthorized access to the device's underlying system, potentially enabling them to modify configurations, extract sensitive data, or establish persistent access points within the network. This vulnerability affects devices that are commonly deployed in industrial environments where network reliability and security are paramount, making the impact of exploitation particularly severe for critical infrastructure operators.
Mitigation strategies for CVE-2022-35262 should focus on immediate firmware updates from Robustel to address both the denial of service and command injection vulnerabilities. Organizations must also implement network segmentation and access controls to limit exposure of affected devices to untrusted networks and users. The implementation of web application firewalls and input validation controls can provide additional layers of protection against exploitation attempts. Security teams should conduct comprehensive vulnerability assessments to identify all instances of affected devices within their networks and establish monitoring procedures to detect potential exploitation attempts. According to CWE standards, this vulnerability relates to CWE-400 which covers unspecified denial of service conditions, and CWE-77 which addresses command injection vulnerabilities. The attack patterns align with ATT&CK techniques including T1210 for exploitation of remote services and T1059 for command and scripting interpreters, highlighting the need for comprehensive defensive measures across multiple security domains. Regular security audits and penetration testing should be conducted to ensure that similar vulnerabilities are not present in other network infrastructure components that may be similarly exposed to these attack vectors.