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CVE-2025-8183: NULL Pointer Dereference in µD3TN Leading to Denial of Service (DoS) Attack

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Overview

The CVE-2025-8183 vulnerability is a critical flaw that exists within the µD3TN software where a NULL Pointer Dereference error can be exploited via the destination Endpoint Identifier. This vulnerability potentially affects all systems and networks utilising this software, leading to system compromise or data leakage. Given the severity score of 7.5, it is crucial that administrators take immediate action to mitigate this vulnerability.

Vulnerability Summary

CVE ID: CVE-2025-8183
Severity: High – CVSS 7.5
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage

Affected Products

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Product | Affected Versions

µD3TN | All versions prior to patch

How the Exploit Works

A remote attacker can exploit this vulnerability by sending a carefully crafted network request to the non-singleton destination Endpoint Identifier of the µD3TN software. This causes a NULL Pointer Dereference, leading to a crash in the system and hence, a denial of service. It’s possible that, in some circumstances, this could be further exploited to execute arbitrary code on the system, leading to a full system compromise.

Conceptual Example Code

Here is a conceptual HTTP POST request that might trigger the vulnerability:

POST /uD3TN/endpoint HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "destination": null }

In this example, the “destination” field is intentionally set to null, which could cause the NULL Pointer Dereference in the µD3TN application.

Mitigation

Users of affected versions of µD3TN should apply the latest vendor patches immediately. If unable to apply the patch immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation, blocking malicious requests that attempt to exploit this vulnerability.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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