How to fix CVE-2019-25327?

Within 24 hours: Inventory all systems running Prime95 v29.8 build 6 and isolate affected machines from production networks if feasible. Within 7 days: Disable Prime95 or restrict network access to affected systems using firewall rules, prohibit external connections to port 3110, and enforce input validation controls. Within 30 days: Plan upgrade to Prime95 v30.x or later versions once patches are released, and conduct forensic review for indicators of compromise on all affected systems.

Is Dns affected by CVE-2019-25327?

CVE-2019-25327 is a critical remote code execution vulnerability affecting Prime95 v29.8 build 6 that allows attackers to execute arbitrary commands by exploiting buffer overflow in user input fields.

CVE-2019-25327

CRITICAL

2026-02-12 [email protected]

9.8

CVSS 3.1

CVSS Vector

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

Description

Prime95 version 29.8 build 6 contains a buffer overflow vulnerability in the user ID input field that allows remote attackers to execute arbitrary code. Attackers can craft a malicious payload and paste it into the PrimeNet user ID and proxy host fields to trigger a bind shell on port 3110.

Analysis

Buffer overflow in Prime95 29.8 build 6 user ID field allows code execution. PoC available.

Technical Context

CWE-122 heap overflow.

Affected Products

['Prime95 29.8 build 6']

Remediation

Update Prime95.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.2

CVSS: +49

POC: +20

CVE-2019-25327 vulnerability details – vuln.today

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CVE-2019-25327

CVSS Vector

Lifecycle Timeline

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Description

Analysis

Technical Context

Affected Products

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CVE-2019-25327

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

Share

External POC / Exploit Code