CVE-2026-27547 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_menu_info endpoint using valid 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 security flaw represents a critical escalation path within networked devices, specifically targeting the administrative interface through the ajax/get_iodd_menu_info endpoint in index.php. This vulnerability is classified as a command injection issue, which falls under CWE-78: Improper Neutralization of Special Elements used in an Operating System Command (OS Command Injection). The core technical deficiency lies in the application's failure to adequately sanitize or validate user-supplied input before it is passed to underlying system commands. In this specific context, the endpoint processes data that directly influences shell operations without implementing sufficient filtering mechanisms for special characters such as semicolons, ampersands, or pipe symbols that allow command chaining and execution of arbitrary instructions outside the intended scope.
Although exploitation requires valid user or operator credentials, which might suggest a lower severity in some contexts, the impact is severe due to the privilege level achieved upon successful exploitation. A low-privileged remote attacker can leverage this flaw to execute commands with root privileges on the target device. This effectively bypasses standard access control restrictions and grants the adversary full administrative control over the system. The presence of authentication does not mitigate the risk because many organizational security models assume that compromised user accounts are less dangerous than unauthenticated attacks, yet here the authenticated state serves merely as a gateway to achieve complete system compromise.
From an operational perspective, this vulnerability allows for significant disruption and data exfiltration capabilities. An attacker with root access can modify system configurations, install persistent backdoors, intercept network traffic, or pivot into other segments of the internal network. The ability to execute commands remotely via an AJAX endpoint makes exploitation straightforward and potentially automated using standard web application testing tools. This aligns with MITRE ATT&CK techniques such as T1059 Command and Scripting Interpreter for executing malicious code and T1068 Exploitation for Privilege Escalation, highlighting the direct path from initial access to full system control.
Mitigation strategies must focus on both immediate remediation and long-term architectural improvements. The primary fix involves implementing strict input validation and output encoding for all parameters passed to the get_iodd_menu_info endpoint. Developers should employ allow-listing techniques where only expected data formats are accepted, rejecting any input containing shell metacharacters or unexpected patterns. Additionally, using parameterized APIs instead of direct string concatenation when invoking system commands can prevent injection attacks. On a broader scale, applying principle of least privilege by ensuring that web application processes do not require root access unless absolutely necessary would limit the blast radius even if an injection occurs. Regular security code reviews and integration of static analysis tools into the development pipeline are recommended to detect such flaws early in the software lifecycle.