CVE-2024-54763 in A2004
Summary
by MITRE • 01/07/2025
An access control issue in the component /login/hostinfo.cgi of ipTIME A2004 v12.17.0 allows attackers to obtain sensitive information without authentication.
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Analysis
by VulDB Data Team • 06/21/2025
The vulnerability identified as CVE-2024-54763 represents a critical access control flaw within the ipTIME A2004 router firmware version 12.17.0. This issue specifically affects the /login/hostinfo.cgi component which is responsible for handling host information requests. The vulnerability stems from inadequate authentication checks that permit unauthorized access to sensitive system information, potentially exposing confidential data to malicious actors who can exploit this weakness without requiring valid credentials.
The technical implementation of this flaw lies in the improper validation of user authentication status within the hostinfo.cgi script. When an attacker makes a request to this component, the application fails to properly verify whether the user has authenticated successfully before returning sensitive information. This design oversight creates an authentication bypass condition that allows any remote attacker to retrieve host information including network configuration details, device identifiers, and potentially other system parameters that should remain restricted to authorized users. The vulnerability manifests as a failure to implement proper access control mechanisms, specifically violating the principle of least privilege and authentication requirements.
The operational impact of CVE-2024-54763 extends beyond simple information disclosure, as the exposed host information could enable attackers to conduct further reconnaissance activities. An attacker with access to this sensitive data could potentially identify network topology details, device configurations, and other system characteristics that would facilitate more sophisticated attacks. This information disclosure vulnerability creates opportunities for lateral movement within networks, as attackers can use the gathered information to plan targeted attacks against other systems or services. The exposure of host information may also reveal potential attack vectors and weaknesses in the network infrastructure that could be exploited in subsequent phases of an attack.
Security practitioners should implement immediate mitigations including applying the latest firmware updates from ipTIME if available, implementing network segmentation to limit access to administrative interfaces, and deploying intrusion detection systems to monitor for unauthorized access attempts to the affected component. The vulnerability aligns with CWE-285 which addresses improper authorization issues, and may contribute to ATT&CK techniques related to credential access and reconnaissance activities. Organizations should also consider implementing additional access controls such as firewall rules restricting access to administrative ports and implementing multi-factor authentication where possible to reduce the attack surface and prevent exploitation of this authentication bypass vulnerability.