CVE-2023-45578 : Security Advisory and Response

A Buffer Overflow vulnerability was discovered in multiple D-Link devices, allowing remote attackers to execute arbitrary code.

Understanding CVE-2023-45578

This CVE identifies a critical security flaw in various D-Link devices that can be exploited by attackers.

What is CVE-2023-45578?

The Buffer Overflow vulnerability in D-Link devices like DI-7003GV2.D1 and DI-7400G+V2.D1 allows remote attackers to execute arbitrary code via a specific parameter.

The Impact of CVE-2023-45578

This vulnerability poses a significant security risk as it enables attackers to gain unauthorized access to the affected devices and execute malicious code.

Technical Details of CVE-2023-45578

This section delves into the specifics of the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability occurs in the pppoe_base.asp function of various D-Link devices due to improper handling of user input, leading to a buffer overflow.

Affected Systems and Versions

The impacted devices include DI-7003GV2.D1, DI-7100G+V2.D1, DI-7100GV2.D1, DI-7200G+V2.D1, DI-7200GV2.E1, DI-7300G+V2.D1, and DI-7400G+V2.D1 running specific firmware versions.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the pap_en/chap_en parameter of the pppoe_base.asp function to execute arbitrary code remotely.

Mitigation and Prevention

Discover the steps to secure your devices and safeguard against potential threats linked to CVE-2023-45578.

Immediate Steps to Take

It is crucial to apply security patches provided by D-Link promptly to mitigate the risk posed by the Buffer Overflow vulnerability.

Long-Term Security Practices

Implementing robust network security measures and keeping devices up to date can help prevent exploitation of vulnerabilities in the future.

Patching and Updates

Regularly check for firmware updates and apply patches released by D-Link to address known security issues.