CVE-2025-4635 in Airpointer
Summary
by MITRE • 05/30/2025
A malicious user with administrative privileges in the web portal would be able to manipulate the Diagnostics module to obtain remote code execution on the local device as a low privileged user.
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Analysis
by VulDB Data Team • 05/30/2025
This vulnerability represents a critical privilege escalation flaw within a web-based administrative portal that enables a malicious actor with administrative access to execute remote code on the underlying device with reduced privileges. The issue stems from inadequate input validation and access control mechanisms within the diagnostics module, which fails to properly sanitize user-supplied data before processing. When an administrator interacts with the diagnostics functionality, the system does not sufficiently validate the integrity of the submitted parameters, creating a pathway for arbitrary code injection that can be leveraged to execute commands on the target system. The vulnerability specifically targets the web portal's diagnostic subsystem where legitimate administrative functions are processed, but the implementation lacks proper authorization checks for sensitive operations that should remain restricted to elevated privileges.
The technical exploitation of this vulnerability involves a malicious administrator manipulating the diagnostics module to inject malicious payloads that bypass normal privilege boundaries. This type of flaw typically aligns with CWE-79 HTML Injection or CWE-94 Code Injection categories, where insufficient validation allows attackers to execute unintended code. The attack vector operates through the web interface where the diagnostics module accepts user inputs that are then processed without adequate sanitization, potentially allowing command injection attacks. The security implications extend beyond simple code execution as the vulnerability creates a persistent backdoor mechanism that can be exploited to maintain access even after initial compromise. The low privilege execution context represents a particularly concerning aspect as it allows attackers to perform actions that should normally require elevated system permissions, effectively undermining the principle of least privilege.
From an operational standpoint, this vulnerability poses significant risk to organizations relying on web-based management interfaces for device diagnostics and monitoring. The attack scenario requires only administrative access to the web portal, which is often more easily obtained through credential compromise or social engineering attacks. Once exploited, the attacker can execute arbitrary commands on the device with minimal privileges, potentially leading to further lateral movement within the network or data exfiltration. The vulnerability's impact is amplified by the fact that it operates within a legitimate administrative interface, making detection more challenging for security monitoring systems. Network defenders must consider that this vulnerability can be exploited by insiders with legitimate administrative access, complicating traditional perimeter-based security approaches. The attack chain typically involves initial administrative access followed by exploitation of the diagnostics module to establish persistent access with reduced privilege levels, creating a stealthy attack vector.
Mitigation strategies should focus on implementing comprehensive input validation and output encoding within the diagnostics module to prevent malicious data injection. Organizations must enforce strict access controls and privilege separation within the web portal, ensuring that administrative functions properly validate user permissions before executing sensitive operations. The implementation of web application firewalls and runtime application self-protection mechanisms can help detect and prevent exploitation attempts. Regular security assessments of web interfaces should include thorough testing of diagnostic modules for injection vulnerabilities and privilege escalation paths. Additionally, organizations should implement monitoring for unusual diagnostic activity patterns and establish clear separation between administrative functions and system-level command execution capabilities. The solution architecture should incorporate principle of least privilege enforcement where even administrative users cannot directly execute system commands without additional verification steps, aligning with defensive strategies recommended in the mitre ATT&CK framework for privilege escalation techniques.