CVE-2020-25366 Explained : Impact and Mitigation

An issue in the component /cgi-bin/upload_firmware.cgi of D-Link DIR-823G REVA1 1.02B05 allows attackers to cause a denial of service (DoS) via unspecified vectors.

Understanding CVE-2020-25366

This CVE involves a vulnerability in the D-Link DIR-823G REVA1 1.02B05 router that could lead to a denial of service attack.

What is CVE-2020-25366?

The vulnerability in the /cgi-bin/upload_firmware.cgi component of the D-Link router allows malicious actors to trigger a denial of service, disrupting normal operations.

The Impact of CVE-2020-25366

The exploitation of this vulnerability can result in a denial of service condition, rendering the affected device inaccessible to legitimate users.

Technical Details of CVE-2020-25366

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability in /cgi-bin/upload_firmware.cgi in D-Link DIR-823G REVA1 1.02B05 enables attackers to launch a DoS attack through unspecified methods.

Affected Systems and Versions

Product: D-Link DIR-823G REVA1 1.02B05
Vendor: D-Link
Version: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability through unidentified vectors, leading to a DoS condition on the targeted device.

Mitigation and Prevention

Protecting systems from CVE-2020-25366 requires immediate actions and long-term security measures.

Immediate Steps to Take

Monitor network traffic for any unusual patterns that could indicate a DoS attack.
Implement network segmentation to contain potential attacks.
Apply firewall rules to restrict access to vulnerable components.

Long-Term Security Practices

Regularly update firmware and security patches provided by D-Link.
Conduct security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

Stay informed about security advisories from D-Link and promptly apply recommended patches to mitigate the CVE-2020-25366 vulnerability.