CVE-2019-25327

Prime95 Version 29.8 build 6 - Buffer Overflow (SEH)

CVSS 8.4 HIGHEPSS 0.5%CWE-122

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.4EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

12 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Mersenne Research, Inc · Prime95

References

https://www.exploit-db.com/exploits/47802 https://www.mersenne.org https://www.vulncheck.com/advisories/prime-version-build-buffer-overflow-seh