CVE-2026-27556 in ICE2-8IOL1-G65L-V1D
Summary
by MITRE • 09/16/2026
A low-privileged remote attacker can exploit a local file inclusion vulnerability in the /index.php/ajax/save_iodd_parameters endpoint using a valid operator cookie allowing execution of arbitrary PHP code on the device.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 09/16/2026
The identified vulnerability represents a critical security flaw within the web application interface, specifically targeting the /index.php/ajax/save_iodd_parameters endpoint. This local file inclusion (LFI) vulnerability arises from insufficient input validation and sanitization mechanisms when processing user-supplied data associated with operator cookies. The root cause lies in the backend PHP script's failure to properly restrict or canonicalize file paths before including them, allowing an attacker to manipulate the request parameters to reference arbitrary files on the server filesystem rather than intended application resources. This type of flaw is classically categorized under CWE-98 Improper Control of Filename for Include Statement within the Common Weakness Enumeration framework, highlighting a fundamental failure in input validation logic that permits external control over critical system operations.
The operational impact of this vulnerability is severe due to its potential for remote code execution (RCE). Although the attacker requires only low-level privileges and a valid operator cookie to initiate the exploit, the ability to include arbitrary PHP files effectively grants them full administrative control over the affected device. By crafting specific HTTP requests that inject malicious file paths into the save_iodd_parameters parameter, an adversary can force the server to execute code contained within those included files. This capability allows for complete system compromise, including data exfiltration, modification of critical configuration settings, and establishment of persistent backdoors. The requirement for a valid operator cookie suggests that while authentication is necessary, it does not provide adequate isolation or privilege separation between different user roles, thereby lowering the barrier to entry for attackers who have obtained legitimate credentials through phishing, credential stuffing, or other means.
From an offensive security perspective, this vulnerability aligns with several tactics within the MITRE ATT&CK framework. The exploitation of file inclusion mechanisms often falls under T1059 Command and Scripting Interpreter, specifically when PHP code is executed via included files. Furthermore, if the attacker uses the LFI to read sensitive configuration or credential files stored on the server, it relates to T1005 Data from Local System. If the vulnerability allows writing shellcode through uploaded files that are subsequently included, it may also touch upon T1505 Server Software Component, although in this specific case, the primary vector is inclusion rather than installation of new components. The reliance on a valid cookie indicates that attackers must first achieve initial access or credential theft, making this vulnerability particularly dangerous when combined with other weaknesses such as broken authentication mechanisms.
Mitigation strategies should focus on implementing strict input validation and enforcing secure coding practices for file handling operations. Developers must ensure that all user-supplied inputs used in include statements are validated against a whitelist of allowed files rather than relying on blacklist approaches or simple sanitization. Path canonicalization techniques, such as resolving symbolic links and normalizing directory traversal sequences like dot-dot-slash, should be applied before any file system interaction occurs. Additionally, the principle of least privilege must be enforced by restricting web server processes from accessing sensitive directories outside the application root. Implementing Content Security Policy headers can also help mitigate some downstream effects by limiting script execution contexts. Regular security audits and static code analysis tools configured to detect unsafe include patterns are essential for identifying similar vulnerabilities across the codebase before deployment.