CVE-2018-25299

Prime95 29.4b8 contains a local buffer overflow vulnerability that allows attackers to execute arbitrary code by exploiting structured exception handling (SEH) mechanisms. Attackers can inject malicious payload through the optional proxy hostname field in the PrimeNet connection settings to trigger the overflow and execute system commands.

CVSS v3 8.4 HIGH

8.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.exploit-db.com/exploits/44649
https://www.mersenne.org/
https://www.mersenne.org/download/#download
https://www.vulncheck.com/advisories/prime95-29-4b8-local-buffer-overflow-via-seh

Configurations

No configuration.

History

30 Apr 2026, 15:48

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-29 20:16

Updated : 2026-04-30 15:48

NVD link : CVE-2018-25299

Mitre link : CVE-2018-25299

CVE.ORG link : CVE-2018-25299

JSON object : View

Products Affected

No product.

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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