CVE-2025-40802 in RUGGEDCOM RST2428P
Summary
by MITRE • 09/09/2025
A vulnerability has been identified in RUGGEDCOM RST2428P (6GK6242-6PA00) (All versions). The affected device may be susceptible to resource exhaustion when subjected to high volumes of query requests. This could allow an attacker to cause a temporary denial of service, with the system recovering once the activity stops.
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Analysis
by VulDB Data Team • 10/03/2025
The vulnerability identified in RUGGEDCOM RST2428P (6GK6242-6PA00) represents a critical resource exhaustion issue that undermines the device's operational integrity and availability. This industrial networking equipment operates within critical infrastructure environments where uninterrupted service is paramount, making such vulnerabilities particularly concerning for organizations relying on robust network connectivity. The device's susceptibility to excessive query requests demonstrates a fundamental weakness in its resource management and request handling mechanisms, creating potential attack vectors that could disrupt essential communication networks.
The technical flaw manifests through insufficient input validation and inadequate resource allocation controls within the device's query processing framework. When subjected to high volumes of query requests, the system fails to properly throttle or limit incoming connections, leading to exhaustion of available memory, processing power, or other critical system resources. This behavior aligns with common patterns found in denial of service vulnerabilities, where attackers exploit the lack of proper resource management to overwhelm system capabilities. The vulnerability operates at the application layer, specifically targeting the device's protocol handling mechanisms that process network queries from external sources.
The operational impact of this vulnerability extends beyond simple service disruption, potentially affecting critical infrastructure operations where the RST2428P device serves as a communication gateway. Organizations utilizing this equipment in industrial control systems, telecommunications networks, or other mission-critical environments face significant risks when subjected to sustained query flooding attacks. The temporary denial of service condition means that legitimate users and systems dependent on this device may experience intermittent connectivity issues, potentially leading to cascading failures in larger network architectures. Recovery from such attacks requires manual intervention or system restarts, creating additional operational overhead and potential downtime.
Mitigation strategies should focus on implementing network-level controls to limit query volume and rate, including the deployment of firewalls and intrusion prevention systems with rate limiting capabilities. Device administrators should consider implementing access control lists to restrict query sources and establish monitoring protocols to detect unusual query patterns. The implementation of proper input validation and resource allocation limits within the device firmware represents the most effective long-term solution, though this requires vendor cooperation and firmware updates. Organizations should also consider network segmentation strategies to isolate critical systems from potential attack vectors, following established security frameworks such as those outlined in the NIST Cybersecurity Framework and ISO 27001 standards for industrial control systems security.
This vulnerability demonstrates the importance of considering resource exhaustion threats in industrial networking equipment, particularly devices operating in environments where availability is critical. The attack surface for such devices often extends beyond traditional network boundaries, making comprehensive security assessments essential for maintaining operational resilience. The specific nature of this vulnerability suggests that similar issues may exist in other RUGGEDCOM devices within the same product line, warranting broader security assessments across affected deployments. Security teams should implement continuous monitoring and threat hunting activities to detect potential exploitation attempts and maintain awareness of emerging threats targeting industrial networking infrastructure.