CVE-2019-25327

CRITICAL

Prime95 29.8 build 6 - Remote Code Execution via User ID Input Field

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-25327. PoCs published by stresser.

AI-analyzed exploit summary This exploit leverages a buffer overflow vulnerability in Prime95 29.8 build 6 via SEH overwrite, delivering a bind shell payload on port 3110. The PoC generates an 'Evil.txt' file containing the malicious input for manual pasting into the application.

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.

Exploits (1)

exploitdb WORKING POC
by stresser · pythonlocalwindows
https://www.exploit-db.com/exploits/47802

This exploit leverages a buffer overflow vulnerability in Prime95 29.8 build 6 via SEH overwrite, delivering a bind shell payload on port 3110. The PoC generates an 'Evil.txt' file containing the malicious input for manual pasting into the application.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Prime95 29.8 build 6
No auth needed
Prerequisites: Prime95 29.8 build 6 installed on Windows · User interaction to paste payload into application fields
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/47802
Various Sources product
https://www.mersenne.org

Scores

CVSS v3 9.8
EPSS 0.0045
EPSS Percentile 35.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-122
Status published
Products (1)
Mersenne Research, Inc/Prime95 29.8
Published Feb 12, 2026
Tracked Since Feb 18, 2026