CVE-2023-23296 in Jetwave 3200
Summary
by MITRE • 02/24/2023
Korenix JetWave 4200 Series 1.3.0 and JetWave 3200 Series 1.6.0 are vulnerable to Denial of Service via /goform/formDefault.
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Analysis
by VulDB Data Team • 10/07/2025
The vulnerability identified as CVE-2023-23296 affects Korenix JetWave 4200 Series devices running firmware version 1.3.0 and JetWave 3200 Series devices running firmware version 1.6.0. This represents a critical denial of service weakness that specifically targets the web interface management component of these industrial networking devices. The affected systems are designed for use in industrial environments where network reliability and continuous operation are paramount requirements. These devices typically serve as network infrastructure components in critical operations and require robust security measures to prevent unauthorized access or disruption of service. The vulnerability is located within the /goform/formDefault endpoint which is part of the web-based administration interface used for configuring device settings and managing network parameters.
The technical flaw manifests through improper input validation and handling within the web form processing mechanism. When an attacker sends specially crafted requests to the /goform/formDefault endpoint, the device fails to properly sanitize or validate the incoming data parameters. This leads to a condition where the device becomes unresponsive or crashes, effectively rendering the management interface inaccessible and causing a denial of service condition for legitimate administrators. The vulnerability stems from a lack of proper bounds checking and input sanitization routines that should validate all parameters received through the web interface. This weakness allows attackers to exploit the device's form processing logic through malformed or unexpected input values, potentially causing the device to enter an unstable state or completely freeze. The issue is classified as a buffer overflow or input validation flaw that could be leveraged to disrupt critical network infrastructure components in industrial environments.
The operational impact of this vulnerability extends beyond simple service disruption as it affects the availability of management capabilities for industrial network equipment. In environments where these devices are deployed for critical infrastructure monitoring and control, the denial of service condition can result in extended periods of network management unavailability, potentially leading to extended downtime for industrial operations. Network administrators lose the ability to configure, monitor, or troubleshoot the affected devices through their standard web-based management interface, which may require physical access or alternative recovery procedures to restore functionality. The vulnerability affects devices that are commonly used in industrial internet of things deployments, where continuous network availability is essential for maintaining operational continuity. This weakness could be particularly dangerous in environments where network devices are remotely managed and where immediate access to configuration capabilities is required for maintaining system integrity.
Mitigation strategies for CVE-2023-23296 should prioritize immediate firmware updates from Korenix to address the input validation flaws in the web interface components. Organizations should implement network segmentation to limit access to the affected devices to only authorized administrative personnel and critical network segments. Access control measures including strong authentication mechanisms and multi-factor authentication should be enforced to reduce the likelihood of unauthorized exploitation attempts. Network monitoring solutions should be deployed to detect unusual traffic patterns or repeated access attempts to the vulnerable endpoint that may indicate exploitation attempts. The vulnerability aligns with CWE-121 and CWE-122 categories related to buffer overflow conditions and improper input validation. From an ATT&CK framework perspective, this vulnerability maps to T1499.004 which covers network denial of service attacks and T1071.004 which involves application layer protocol usage. Organizations should also consider implementing intrusion detection systems that can identify and alert on suspicious requests targeting the vulnerable /goform/formDefault endpoint to provide early warning of potential exploitation attempts.