Buffer Overflow in NetPCLinker DNS/IP Field Enables Code Execution

Publication date: 2026-01-30

Last updated on: 2026-01-30

Assigner: VulnCheck

Description

NetPCLinker 1.0.0.0 contains a buffer overflow vulnerability in the Clients Control Panel DNS/IP field that allows attackers to execute arbitrary shellcode. Attackers can craft a malicious payload in the DNS/IP input to overwrite SEH handlers and execute shellcode when adding a new client.

CVSS Scores

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Meta Information

Published

2026-01-30

Last Modified

2026-01-30

Generated

2026-07-06

AI Q&A

2026-01-31

EPSS Evaluated

2026-07-05

NVD

CVE-2019-25232

Affected Vendors & Products

Vendor	Product	Version / Range
netpclinker	netpclinker	1.0.0.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-120	The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

Attack-Flow Graph

Executive Summary

This vulnerability is a buffer overflow in NetPCLinker 1.0.0.0, specifically in the Clients Control Panel DNS/IP field. It allows attackers to input a specially crafted payload that overwrites SEH (Structured Exception Handler) handlers, enabling them to execute arbitrary shellcode when adding a new client.

Impact Analysis

The vulnerability can allow attackers to execute arbitrary code on the affected system with potentially high impact. This could lead to unauthorized control over the system, data compromise, or disruption of services.

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