CVE-2025-4902 in DI-7003GV2
Summary
by MITRE • 05/19/2025
A vulnerability, which was classified as problematic, has been found in D-Link DI-7003GV2 24.04.18D1 R(68125). Affected by this issue is the function sub_48F4F0 of the file /H5/versionupdate.data. The manipulation leads to information disclosure. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
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Analysis
by VulDB Data Team • 05/19/2025
The vulnerability identified as CVE-2025-4902 represents a critical information disclosure flaw within the D-Link DI-7003GV2 router firmware version 24.04.18D1 R(68125). This issue resides in the sub_48F4F0 function located within the /H5/versionupdate.data file, indicating a potential security weakness in the firmware update mechanism of this networking device. The vulnerability's classification as problematic suggests that it presents a significant risk to network security and could be exploited by malicious actors to gain unauthorized access to sensitive system information.
The technical implementation of this flaw involves a function that handles version update operations, specifically the sub_48F4F0 routine which appears to improperly manage data access or validation during firmware update processes. When exploited, this vulnerability allows remote attackers to extract confidential information from the router's system, potentially including configuration details, system logs, or other sensitive data that should remain protected. The fact that the exploit has been publicly disclosed increases the risk profile significantly, as threat actors can readily implement this attack vector without requiring advanced technical skills or specialized tools.
The operational impact of this vulnerability extends beyond simple information disclosure, as it could enable attackers to gather intelligence about the network infrastructure and potentially identify additional attack vectors. Remote exploitation capabilities mean that attackers do not need physical access to the device, allowing them to target vulnerable routers from anywhere on the internet. This vulnerability particularly affects enterprise and home networks that rely on D-Link DI-7003GV2 devices, potentially compromising the entire network ecosystem if attackers leverage the disclosed information to plan more sophisticated attacks. The exposure of system information could facilitate further exploitation attempts including privilege escalation, denial of service attacks, or even complete system compromise.
Security practitioners should immediately implement mitigations including firmware updates from D-Link if available, network segmentation to isolate affected devices, and monitoring for suspicious network activity that might indicate exploitation attempts. The vulnerability aligns with CWE-200, which addresses information disclosure vulnerabilities, and could potentially map to ATT&CK technique T1082 for system information discovery. Organizations should also consider implementing network access controls and firewall rules to restrict access to the affected device's management interfaces, while maintaining regular vulnerability assessments to identify similar weaknesses in other network infrastructure components. The public disclosure of this exploit emphasizes the importance of proactive security measures and timely patch management across all network devices within an organization's infrastructure.