CVE-2019-25327

Prime95 Version 29.8 build 6 - Buffer Overflow (SEH)

Published Feb 12, 2026 CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Mersenne
Mersenne prime95
CPEs cpe:2.3:a:mersenne:prime95:29.8:*:*:*:*:*:*:*
Vendors & Products Mersenne
Mersenne prime95
Type Values Removed Values Added
First Time appeared Mersenne Research, Inc
Mersenne Research, Inc prime95
Vendors & Products Mersenne Research, Inc
Mersenne Research, Inc prime95
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Prime95 Version 29.8 build 6 - Buffer Overflow (SEH)
Weaknesses CWE-122
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.4, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Mar 5, 2026, 1:26 AM
Reserved
Feb 12, 2026, 2:38 PM
Status
Deferred
Published
Feb 12, 2026, 11:16 PM
Modified
Jun 17, 2026, 2:32 AM