6.9
MEDIUM CVSS 4.0
CVE-2018-25293
Prime95 29.4b7 Denial of Service via Proxy Password Field
Description

Prime95 29.4b7 contains a buffer overflow vulnerability in the PrimeNet connection dialog that allows local attackers to crash the application by supplying an excessively long string in the optional proxy password field. Attackers can trigger a denial of service by entering a 6000-byte payload into the proxy password parameter, causing the application to crash when processing the connection settings.

INFO

Published Date :

April 26, 2026, 10:17 p.m.

Last Modified :

April 27, 2026, 6:53 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2018-25293 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Mersenne prime95
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 MEDIUM MITRE-CVE
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 MEDIUM [email protected]
Solution
Update Prime95 to a version that addresses the buffer overflow in the PrimeNet connection dialog.
  • Update Prime95 to the latest version.
  • Avoid using excessively long strings in the proxy password.
  • Apply vendor patches when available.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-25293.

URL Resource
http://www.mersenne.org
http://www.mersenne.org/ftp_root/gimps/p95v294b7.win32.zip
https://www.exploit-db.com/exploits/45226
https://www.vulncheck.com/advisories/prime95-29-4b7-denial-of-service-via-proxy-password-field
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-25293 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-25293 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-25293 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Apr. 26, 2026

    Action Type Old Value New Value
    Added Description Prime95 29.4b7 contains a buffer overflow vulnerability in the PrimeNet connection dialog that allows local attackers to crash the application by supplying an excessively long string in the optional proxy password field. Attackers can trigger a denial of service by entering a 6000-byte payload into the proxy password parameter, causing the application to crash when processing the connection settings.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-120
    Added Reference http://www.mersenne.org
    Added Reference http://www.mersenne.org/ftp_root/gimps/p95v294b7.win32.zip
    Added Reference https://www.exploit-db.com/exploits/45226
    Added Reference https://www.vulncheck.com/advisories/prime95-29-4b7-denial-of-service-via-proxy-password-field
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.