What is the CVSS score of CVE-2019-25232?

CVE-2019-25232 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Is there a public PoC exploit available for CVE-2019-25232?

Yes, a public proof-of-concept exploit is available for CVE-2019-25232. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2019-25232?

Within 24 hours: Immediately identify all systems running NetPCLinker 1.0.0.0 and isolate them from production networks or restrict administrative access to the Clients Control Panel. Within 7 days: Evaluate migration to alternative client management solutions or implement aggressive network segmentation and access controls; contact the vendor for security advisories and patch timelines. Within 30 days: Complete transition away from affected NetPCLinker instances or deploy compensating controls (input validation, WAF rules, monitoring) and establish a vendor communication protocol for future security updates.

CVE-2019-25232

CRITICAL

Classic Buffer Overflow (CWE-120)

2026-01-30 disclosure@vulncheck.com

Buffer Overflow

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:00 vuln.today

PoC Detected

Feb 04, 2026 - 16:34 vuln.today

Public exploit code

CVE Published

Jan 30, 2026 - 23:16 nvd

CRITICAL 9.8

DescriptionCVE.org

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.

AnalysisAI

Buffer overflow in NetPCLinker 1.0.0.0 DNS/IP field allows shell command execution. PoC available.

Technical ContextAI

CWE-120 buffer overflow in DNS/IP input field.

Affected ProductsAI

NetPCLinker 1.0.0.0

RemediationAI

Update or replace the application.

CVE-2019-25232 vulnerability details – vuln.today

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CVE-2019-25232

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

Affected ProductsAI

RemediationAI

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External POC / Exploit Code