CVE-2025-9160 in CompactLogix 5480
Summary
by MITRE • 09/09/2025
A code execution security issue exists in the affected product. An attacker with physical access could abuse the maintenance menu of the controller with a crafted payload. The security issue can result in arbitrary code execution.
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Analysis
by VulDB Data Team • 09/09/2025
This vulnerability represents a critical code execution flaw in embedded controller systems that exposes organizations to severe operational risks. The security issue resides within the maintenance menu functionality of the affected product, which provides privileged access controls that should normally be protected from unauthorized manipulation. The vulnerability specifically manifests when an attacker with physical access can craft and inject malicious payloads directly into the controller's maintenance interface, bypassing standard authentication mechanisms and security boundaries that typically protect such sensitive system components.
The technical exploitation of this vulnerability leverages the controller's maintenance menu as an attack vector, where physical access enables direct manipulation of system internals through crafted input sequences. This type of attack falls under the category of physical tampering and privilege escalation, where the attacker can execute arbitrary code with the highest system privileges available to the maintenance interface. The flaw essentially removes the integrity checks and input validation that should normally prevent malicious code from executing within the system's operational environment, creating a backdoor that allows complete system compromise.
The operational impact of this vulnerability extends beyond simple code execution to encompass full system takeover capabilities that can result in data exfiltration, system disruption, and potential cascading effects across connected networks. Organizations utilizing affected controllers face significant risk of unauthorized access to critical infrastructure, particularly in industrial control systems, embedded devices, or IoT environments where physical security may be insufficient or compromised. The vulnerability's exploitation requires only physical access to the device, making it particularly dangerous in environments where such access could be gained through social engineering, insider threats, or inadequate physical security measures.
Security professionals should implement layered mitigation strategies including physical access controls, network segmentation, and enhanced monitoring of maintenance interface activities. The vulnerability aligns with CWE-74 and CWE-778 categories, which address injection flaws and insufficient logging respectively, while also mapping to ATT&CK techniques such as T1059 for command and scripting interpreter and T1543 for create or modify system process. Organizations must conduct immediate physical security assessments and consider implementing tamper-evident measures, disabling unused maintenance interfaces, and establishing robust access controls for any maintenance activities. Regular security audits should verify that maintenance menus are properly secured and that unauthorized code execution attempts are detected and prevented through appropriate system hardening practices.