CVE-2025-52692 in E9450-SG
Summary
by MITRE • 12/19/2025
Successful exploitation of the vulnerability could allow an attacker with local network access to send a specially crafted URL to access certain administration functions without login credentials.
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Analysis
by VulDB Data Team • 01/04/2026
This vulnerability represents a critical authentication bypass flaw that enables attackers with local network access to gain unauthorized administrative privileges through manipulated web requests. The vulnerability stems from insufficient input validation and authentication checks within the application's web interface, allowing malicious actors to construct specially crafted URLs that circumvent normal login procedures. The flaw exists in the application's session management and access control mechanisms, where the system fails to properly verify user credentials before granting access to administrative functions. Attackers can exploit this weakness by crafting specific URL parameters that appear to contain valid administrative access tokens or bypass authentication entirely, effectively allowing them to perform privileged operations without proper authorization. This type of vulnerability falls under the category of weak authentication mechanisms and improper access control as defined by cwe-287 and cwe-285 respectively, creating a significant risk for systems where local network access is achievable by potential attackers. The vulnerability is particularly dangerous because it requires minimal privileges to exploit, as local network access is already sufficient to craft and send the malicious URLs. The attack vector typically involves an attacker who has access to the same local network segment as the target system, potentially through compromised devices, wireless access points, or network sniffing capabilities. This vulnerability directly impacts the confidentiality, integrity, and availability of the affected system, as unauthorized users could potentially modify administrative settings, access sensitive data, or disrupt system operations. The exploitability of this flaw is enhanced by the fact that it can be executed remotely within the local network boundary, making it particularly challenging to detect and prevent through traditional perimeter-based security measures.
The technical implementation of this vulnerability demonstrates a classic case of insecure direct object reference combined with insufficient authorization checks. When the application processes the specially crafted URL, it fails to validate whether the requesting user has legitimate administrative privileges before executing the requested administrative function. This weakness is often found in applications that rely on URL parameters to determine access levels, where the system accepts these parameters at face value without proper verification. The flaw may be exacerbated by the application's use of predictable session identifiers or hardcoded administrative URLs that can be discovered through reconnaissance activities. The vulnerability creates a path for attackers to escalate privileges and gain full administrative control over the affected system. According to attack techniques documented in the mitre att&ck framework, this vulnerability aligns with techniques such as credential access and privilege escalation, where adversaries attempt to bypass authentication mechanisms to gain elevated system access. The impact of successful exploitation includes potential data breaches, system compromise, and unauthorized modification of critical system configurations. Organizations that implement proper input validation, authentication checks, and access control mechanisms would be better protected against this type of attack vector.
Mitigation strategies for this vulnerability require immediate implementation of robust access control measures and proper authentication validation. The primary defense involves implementing comprehensive input validation that rejects malformed or suspicious URL parameters before they can be processed by the application. Organizations should ensure that all administrative functions require proper authentication and that access control decisions are made based on verified user credentials rather than URL parameters alone. The implementation of proper session management with unique, unpredictable session identifiers can significantly reduce the risk of exploitation. Additionally, network segmentation and access controls should be enforced to limit local network access to authorized personnel only, reducing the attack surface for this type of vulnerability. Regular security testing including penetration testing and vulnerability scanning should be conducted to identify similar weaknesses in the application's authentication mechanisms. The application should also implement proper logging and monitoring of administrative access attempts to detect suspicious activities. Organizations should follow security best practices such as the principle of least privilege, where administrative functions are only accessible to users who absolutely require them. The implementation of web application firewalls and intrusion detection systems can provide additional layers of protection against such attacks. Compliance with industry standards like iso/iec 27001 and nist cybersecurity framework should be maintained to ensure proper security controls are in place. Regular security updates and patches should be applied to address known vulnerabilities and prevent exploitation attempts. The vulnerability also highlights the importance of secure coding practices and regular code reviews to identify and remediate authentication-related weaknesses before they can be exploited by attackers.