Mersenne Research Prime95 29.8 user ID heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Mersenne Research Prime95 29.8. Affected is an unknown function. Executing a manipulation of the argument user ID can lead to heap-based overflow. This vulnerability is registered as CVE-2019-25327. The attack needs to be launched locally. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in Mersenne Research Prime95 29.8. It has been declared as critical. This vulnerability affects an unknown functionality. The manipulation of the argument user ID with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was published by Achilles as 47802. The advisory is available at exploit-db.com. This vulnerability was named CVE-2019-25327 since 02/12/2026. The exploitation appears to be easy. Local access is required to approach this attack. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (47802). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.3

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Exploit-DB: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/12/2026 CVE reserved
02/13/2026 +1 days Advisory disclosed
02/13/2026 +0 days VulDB entry created
02/13/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 47802
Researcher: Achilles
Status: Not defined

CVE: CVE-2019-25327 (🔒)
GCVE (CVE): GCVE-0-2019-25327
GCVE (VulDB): GCVE-100-345850
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/13/2026 07:51
Changes: 02/13/2026 07:51 (80)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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