Overview
In the world of cybersecurity, where the landscape is always evolving, a new vulnerability has been found that affects certain hybrid DVR models (HBF-09KD and HBF-16NK) from Hunt Electronic. This vulnerability, identified as CVE-2025-6561, allows unauthenticated remote attackers to directly access system configuration files, potentially leading to a compromise of the system or data leakage. Given the sensitive nature of the data that these DVR models are often tasked with handling, this vulnerability is of particular concern and warrants immediate attention.
Vulnerability Summary
CVE ID: CVE-2025-6561
Severity: Critical (9.8)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Exposure of sensitive information leading to potential system compromise or data leakage
Affected Products
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Product | Affected Versions
Hunt Electronic HBF-09KD | All versions
Hunt Electronic HBF-16NK | All versions
How the Exploit Works
This vulnerability arises due to improper access controls on the aforementioned DVR models. An unauthenticated remote attacker can directly access a system configuration file. This file contains plaintext administrator credentials, which can then be used to gain unauthorized access to the system. The potential for damage is significant, as an attacker could modify system settings, access sensitive data, or even gain full system control.
Conceptual Example Code
Below is a conceptual example of how the vulnerability might be exploited. This HTTP request could potentially allow an attacker to access the system configuration file.
GET /system/config HTTP/1.1
Host: target.example.comIn response, the server might return the system configuration file, including plaintext administrator credentials. Please note that this is a simplified example; actual attacks may involve more complex tactics and obfuscation techniques.
Mitigation
The most effective way to mitigate this vulnerability is by applying the vendor-provided patch to the affected DVR models. In situations where this is not immediately possible, employing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as temporary mitigation. These systems can help detect and prevent unauthorized access attempts while the patch is being applied.
In conclusion, the CVE-2025-6561 vulnerability in Hunt Electronic’s hybrid DVR models is a critical security issue that needs to be addressed promptly. By understanding the nature of the exploit and applying the appropriate mitigations, system administrators can protect their systems and data from potential compromise.