CVE-2026-27548 in ICE2-8IOL1-G65L-V1D
Summary
by MITRE • 09/16/2026
A low-privileged remote attacker can exploit a command injection vulnerability in the /index.php/ajax/get_iodd_port_info endpoint using user or operator credentials allowing execution of commands with root privileges on the device.
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Analysis
by VulDB Data Team • 09/16/2026
The identified vulnerability represents a critical security flaw within the web interface of the affected device, specifically located at the /index.php/ajax/get_iodd_port_info endpoint. This command injection weakness allows an attacker to execute arbitrary operating system commands directly on the target system with root-level privileges. The severity of this issue is significantly amplified by the authentication requirements for exploitation; unlike many high-severity vulnerabilities that require unauthenticated access, this flaw can be leveraged by any user possessing low-privileged remote credentials or even operator-level access rights. This characteristic makes it particularly dangerous in environments where internal network segmentation is weak or when insider threats are a concern, as an attacker does not need to bypass initial authentication mechanisms but rather exploits the insufficient validation of input data within a function that should only handle administrative tasks.
From a technical perspective, the vulnerability stems from improper neutralization of special elements used in operating system commands, commonly referred to as command injection or OS Command Injection. When the application processes requests directed at the get_iodd_port_info endpoint, it likely concatenates user-supplied input directly into shell commands without adequate sanitization or parameterization. This allows an attacker to inject malicious payloads that terminate the intended command and execute new ones. Because the underlying process running this web service operates with root privileges, any injected command inherits these elevated permissions. Consequently, the attacker gains full control over the device's operating system, enabling them to read sensitive configuration files, modify system settings, install backdoors, or pivot further into the internal network using the compromised host as a foothold.
The operational impact of this vulnerability is severe and multifaceted. Immediate consequences include complete compromise of the device's confidentiality, integrity, and availability. An attacker can exfiltrate proprietary data, alter firmware configurations to disrupt service, or use the device as part of a botnet for distributed denial-of-service attacks. Furthermore, because the endpoint appears to be related to IODD port information, which is often associated with industrial control systems or network infrastructure devices, compromising this component could lead to broader operational disruptions in critical environments such as manufacturing plants, energy grids, or telecommunications networks. The ability to escalate from low-privileged user access to root privileges effectively neutralizes the security boundary provided by role-based access controls, rendering standard privilege separation measures ineffective against this specific attack vector.
In terms of industry standards and threat modeling, this vulnerability aligns with CWE-78: Improper Neutralization of Special Elements used in an OS Command (OS Command Injection). It also maps to MITRE ATT&CK techniques such as T1059.004: Command and Scripting Interpreter: Unix Shell, which describes the execution of commands via a shell interface. Additionally, since it involves privilege escalation from user-level access to root, it relates to CWE-269: Improper Privilege Management. The attack path typically falls under lateral movement or initial compromise depending on whether the attacker already has network access and valid credentials within the internal segment.
Mitigation strategies must address both immediate remediation and long-term architectural improvements. First, vendors should release a patch that strictly validates and sanitizes all inputs passed to the get_iodd_port_info endpoint, ensuring that only expected data types are processed and special characters are escaped or removed. Implementing allow-lists for input parameters is more secure than block-lists. Second, the principle of least privilege must be enforced by configuring the web service process to run with minimal necessary permissions rather than root access. If administrative functions require elevated privileges, they should be executed through a separate backend service that authenticates and authorizes requests securely, rather than executing them directly within the context of the untrusted web interface. Finally, organizations should implement network segmentation to restrict access to management interfaces from untrusted networks and deploy intrusion detection systems configured to detect command injection patterns in HTTP traffic.