CVE-2018-19528 : Security Advisory and Response

CVE-2018-19528 involves a vulnerability in TP-Link TL-WR886N 7.0 1.1.0 devices that allows remote attackers to trigger a denial of service via crafted DNS packets to port 53/udp.

Understanding CVE-2018-19528

This CVE entry highlights a specific vulnerability affecting TP-Link TL-WR886N 7.0 1.1.0 devices, potentially leading to a denial of service when exploited by remote attackers.

What is CVE-2018-19528?

Crafted DNS packets sent to port 53/udp can cause a denial of service (Tlb Load Exception) on TP-Link TL-WR886N 7.0 1.1.0 devices when exploited by remote attackers.

The Impact of CVE-2018-19528

The vulnerability can be exploited remotely, leading to a denial of service condition onth affected TP-Link TL-WR886N 7.0 1.1.0 devices.

Technical Details of CVE-2018-19528

This section provides more in-depth technical details regarding the CVE entry.

Vulnerability Description

TP-Link TL-WR886N 7.0 1.1.0 devices allow remote attackers to cause a denial of service (Tlb Load Exception) via crafted DNS packets to port 53/udp.

Affected Systems and Versions

Product: TP-Link TL-WR886N 7.0 1.1.0
Vendor: TP-Link

Exploitation Mechanism

The vulnerability is triggered by sending specially crafted DNS packets to port 53/udp, which can result in a denial of service condition on the affected devices.

Mitigation and Prevention

In this section, we outline steps to mitigate and prevent exploitation of CVE-2018-19528.

Immediate Steps to Take

Implement firewall rules to restrict access to port 53/udp.
Regularly monitor network traffic for any suspicious activity.

Long-Term Security Practices

Keep devices up to date with the latest firmware releases.
Conduct regular security assessments and penetration testing to identify vulnerabilities.

Patching and Updates

Ensure that the affected TP-Link TL-WR886N 7.0 1.1.0 devices are updated with the latest firmware patches to address the vulnerability.