CVE-2020-25783 : Security Advisory and Response

An issue was discovered on Accfly Wireless Security IR Camera System 720P with software versions v3.10.73 through v4.15.77. There is an unauthenticated heap-based buffer overflow in the function CNetClientTalk::OprMsg during incoming message handling.

Understanding CVE-2020-25783

This CVE identifies a heap-based buffer overflow vulnerability in the Accfly Wireless Security IR Camera System 720P.

What is CVE-2020-25783?

The vulnerability exists in the function CNetClientTalk::OprMsg of the affected software versions, allowing unauthenticated attackers to trigger a buffer overflow during message processing.

The Impact of CVE-2020-25783

Exploitation of this vulnerability could lead to remote code execution, denial of service, or potential compromise of the affected camera system.

Technical Details of CVE-2020-25783

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability is a heap-based buffer overflow in the function CNetClientTalk::OprMsg during the handling of incoming messages.

Affected Systems and Versions

Product: Accfly Wireless Security IR Camera System 720P
Versions: v3.10.73 through v4.15.77

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted messages to the affected system, triggering the buffer overflow.

Mitigation and Prevention

Protecting systems from CVE-2020-25783 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable remote access if not required to minimize exposure to potential attacks.
Apply vendor-supplied patches or updates to address the vulnerability.

Long-Term Security Practices

Regularly update software and firmware to ensure the latest security patches are in place.
Implement network segmentation to isolate critical devices from potential threats.

Patching and Updates

Check for and apply security updates provided by the vendor to mitigate the vulnerability effectively.