What is the CVSS score of CVE-2019-25319?

CVE-2019-25319 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: 0.2%.

Which versions of DNS are affected by CVE-2019-25319?

Domain Quester Pro 6.02 contains a critical remote code execution vulnerability (CVE-2019-25319) with a 9.8 CVSS score that allows attackers to execute arbitrary code without authentication.

Is there a public PoC exploit available for CVE-2019-25319?

Yes, a public proof-of-concept exploit is available for CVE-2019-25319. Prioritise patching immediately. EPSS: 0.2%.

How to fix or mitigate CVE-2019-25319?

Within 24 hours: Identify all systems running Domain Quester Pro 6.02 and isolate them from untrusted networks or take them offline if not business-critical. Within 7 days: Contact the vendor to determine upgrade availability; if no patch exists, implement network-based controls (see compensating controls). Within 30 days: Execute a complete migration plan to a patched version or replacement solution, or maintain persistent compensating controls with continuous monitoring.

DNS CVE-2019-25319

CRITICAL

Stack-based Buffer Overflow (CWE-121)

2026-02-12 disclosure@vulncheck.com

DNS Stack 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 - 22:02 vuln.today

PoC Detected

Feb 13, 2026 - 14:23 vuln.today

Public exploit code

CVE Published

Feb 12, 2026 - 23:16 nvd

CRITICAL 9.8

DescriptionCVE.org

Domain Quester Pro 6.02 contains a stack overflow vulnerability that allows remote attackers to execute arbitrary code by overwriting Structured Exception Handler (SEH) registers. Attackers can craft a malicious payload targeting the 'Domain Name Keywords' input field to trigger an access violation and execute a bind shell on port 9999.

AnalysisAI

Stack overflow in Domain Quester Pro 6.02 via SEH overwrite. PoC available.

Technical ContextAI

CWE-121 SEH overwrite.

Affected ProductsAI

Domain Quester Pro 6.02

RemediationAI

Replace software.

CVE-2019-25319 vulnerability details – vuln.today

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DNS CVE-2019-25319

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

Affected ProductsAI

RemediationAI

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External POC / Exploit Code