CVE-2020-25785 : What You Need to Know

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 stack-based buffer overflow in the function CFtpProtocol::FtpLogin during the update procedure.

Understanding CVE-2020-25785

This CVE identifies a critical vulnerability in the Accfly Wireless Security IR Camera System.

What is CVE-2020-25785?

CVE-2020-25785 is a stack-based buffer overflow vulnerability found in the CFtpProtocol::FtpLogin function of the Accfly Wireless Security IR Camera System.

The Impact of CVE-2020-25785

The vulnerability allows unauthenticated attackers to trigger a buffer overflow during the update process, potentially leading to remote code execution or system compromise.

Technical Details of CVE-2020-25785

This section provides more in-depth technical information about the vulnerability.

Vulnerability Description

The issue arises from a lack of proper input validation in the CFtpProtocol::FtpLogin function, enabling attackers to overflow the stack buffer.

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 requests to the FTP login function, causing a buffer overflow and potentially executing malicious code.

Mitigation and Prevention

Protecting systems from CVE-2020-25785 requires immediate action and long-term security measures.

Immediate Steps to Take

Disable remote access to the affected device if possible until a patch is available.
Monitor network traffic for any suspicious activity targeting the FTP service.

Long-Term Security Practices

Regularly update the device firmware to patch known vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Check for security updates from the vendor and apply patches promptly to mitigate the vulnerability.