CVE-2025-40582 in SCALANCE LPE9403
Summary
by MITRE • 05/13/2025
A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions with SINEMA Remote Connect Edge Client installed). Affected devices do not properly sanitize configuration parameters. This could allow a non-privileged local attacker to execute root commands on the device.
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Analysis
by VulDB Data Team • 05/31/2025
The SCALANCE LPE9403 industrial network device represents a critical security weakness in the SINEMA Remote Connect Edge Client implementation that affects all versions with the component installed. This vulnerability stems from inadequate input validation within the device's configuration handling mechanisms, creating a pathway for malicious exploitation. The device operates within industrial control systems where security is paramount, yet this flaw demonstrates a fundamental failure in parameter sanitization that undermines the device's integrity. The vulnerability specifically targets the edge client component that manages remote connectivity and configuration processes, making it a prime target for attackers seeking to escalate privileges within industrial networks.
The technical flaw manifests as a command injection vulnerability that occurs when the device fails to properly sanitize user-supplied configuration parameters. When configuration data is processed through the affected SINEMA Remote Connect Edge Client, the system does not adequately validate or filter input before executing commands on the underlying operating system. This weakness allows an attacker to inject malicious commands that are then executed with elevated privileges, specifically root access. The vulnerability operates at the command execution level rather than merely a privilege escalation point, meaning that the attacker can directly influence system behavior through crafted configuration inputs. This represents a classic case of insufficient input sanitization that enables arbitrary code execution through configuration interfaces.
The operational impact of this vulnerability extends beyond simple privilege escalation to encompass complete system compromise of industrial network infrastructure. A non-privileged local attacker who gains access to the device can leverage this flaw to execute arbitrary root commands, effectively taking full control of the SCALANCE LPE9403 device. This compromise could enable attackers to modify network configurations, access sensitive operational data, disrupt industrial processes, or establish persistent access points within the industrial control network. The implications are particularly severe given that these devices typically operate in critical infrastructure environments where unauthorized access could lead to operational disruptions, safety hazards, or even physical damage to industrial processes. The vulnerability's local nature means that attackers must already have some level of access to the device, but once achieved, the privilege escalation provides complete system control.
Mitigation strategies for this vulnerability should focus on immediate remediation through firmware updates from the vendor, as well as network segmentation and access control measures. Organizations should implement strict access controls to limit local access to these devices and monitor for suspicious configuration changes. The vulnerability aligns with CWE-77 and CWE-78 categories related to command injection and improper input sanitization, and represents a potential technique in the ATT&CK framework under privilege escalation and command and control categories. Network administrators should also consider implementing intrusion detection systems to monitor for unusual command execution patterns and establish robust change management procedures for device configurations. Additionally, regular security assessments of industrial control systems should be conducted to identify similar vulnerabilities in other networked industrial devices that may be using similar software components.