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CVE-2025-6897: OS Command Injection in D-Link DI-7300G+

Medium
VulnerabilityCVE-2025-6897cvecve-2025-6897
Published: Mon Jun 30 2025 (06/30/2025, 07:32:05 UTC)
Source: CVE Database V5
Vendor/Project: D-Link
Product: DI-7300G+

Description

A vulnerability classified as critical was found in D-Link DI-7300G+ 19.12.25A1. Affected by this vulnerability is an unknown functionality of the file httpd_debug.asp. The manipulation of the argument Time leads to os command injection. The exploit has been disclosed to the public and may be used.

AI-Powered Analysis

AILast updated: 06/30/2025, 07:54:31 UTC

Technical Analysis

CVE-2025-6897 is a security vulnerability identified in the D-Link DI-7300G+ router, specifically in version 19.12.25A1. The vulnerability is an OS command injection flaw located in an unspecified functionality of the httpd_debug.asp file. The issue arises from improper sanitization or validation of the 'Time' argument, which can be manipulated by an attacker to inject arbitrary operating system commands. This type of vulnerability allows an attacker with limited privileges (low privileges required) and no user interaction to execute commands on the underlying operating system remotely, potentially leading to unauthorized control over the device. The vulnerability has been publicly disclosed, though no known exploits are currently observed in the wild. The CVSS 4.0 base score is 5.1, indicating a medium severity level. The vector details show that the attack requires adjacent network access (AV:A), low attack complexity (AC:L), no authentication required (AT:N), and no user interaction (UI:N). The impact on confidentiality, integrity, and availability is low, suggesting limited but non-negligible consequences if exploited. The scope and security requirements remain unchanged, and the exploitability is partially functional (E:P). Since the vulnerability affects a network device firmware component, successful exploitation could allow attackers to execute arbitrary commands, potentially leading to device compromise, network disruption, or pivoting to internal networks. However, the requirement for adjacent network access limits the attack surface to local or connected networks rather than the open internet. No patches or mitigation links are currently provided by the vendor, increasing the urgency for administrators to apply workarounds or monitor for suspicious activity.

Potential Impact

For European organizations, the impact of CVE-2025-6897 depends on the deployment scale of the D-Link DI-7300G+ routers within their network infrastructure. If these devices are used in critical network segments, exploitation could lead to unauthorized command execution, resulting in device compromise, disruption of network services, or lateral movement within the network. This could affect confidentiality by exposing sensitive network configurations, integrity by altering device settings or firmware, and availability by causing denial of service or network outages. Given the medium severity and the requirement for adjacent network access, the threat is more significant in environments where the device is accessible to untrusted internal users or where network segmentation is weak. European organizations with less stringent internal network controls or those using this device in exposed network zones may face higher risks. Additionally, the public disclosure of the vulnerability increases the likelihood of attackers developing exploits, raising the urgency for mitigation. The absence of known exploits in the wild currently reduces immediate risk but does not eliminate it, especially as threat actors often weaponize publicly disclosed vulnerabilities over time.

Mitigation Recommendations

1. Network Segmentation: Restrict access to the D-Link DI-7300G+ devices by segmenting networks to ensure that only trusted and authenticated users or systems can reach the device interfaces, especially the management interfaces. 2. Access Control Lists (ACLs): Implement strict ACLs on routers and switches to limit traffic to the affected device, preventing unauthorized adjacent network access. 3. Firmware Updates: Monitor D-Link’s official channels for firmware updates or patches addressing CVE-2025-6897 and apply them promptly once available. 4. Disable Debug Interfaces: If possible, disable or restrict access to the httpd_debug.asp interface or any debug functionalities that are not required for normal operations. 5. Intrusion Detection and Prevention: Deploy network intrusion detection systems (NIDS) or endpoint detection to monitor for unusual command injection attempts or suspicious traffic patterns targeting the device. 6. Configuration Auditing: Regularly audit device configurations for unauthorized changes or anomalies that may indicate exploitation attempts. 7. Vendor Engagement: Contact D-Link support for guidance or interim mitigations and report any suspicious activity related to this vulnerability. 8. Incident Response Preparedness: Prepare incident response plans specific to network device compromise scenarios to quickly contain and remediate potential exploitation.

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Technical Details

Data Version
5.1
Assigner Short Name
VulDB
Date Reserved
2025-06-29T11:55:59.822Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 68623f2c6f40f0eb7289ef61

Added to database: 6/30/2025, 7:39:24 AM

Last enriched: 6/30/2025, 7:54:31 AM

Last updated: 7/8/2025, 12:49:22 AM

Views: 13

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