Buffer overflow in SourceForge Snes9k 0.0.9z
CVE-2018-25251
Snes9K 0.0.9z contains a buffer overflow vulnerability in the Netplay Socket Port Number field that allows local attackers to trigger a structured exception handler (SEH) overwrite. Attackers can craft a malicious payload and paste it into the Socket Port Number field via the Netplay Options menu to achieve code execution through SEH chain exploitation.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (7.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- SourceForge Snes9k 0.0.9z — versions 0.0.9z
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/45598 (exploit)
- sourceforge.net/projects/snes9k/ (product)
- sourceforge.net/projects/snes9k/files/latest/download (product)
- www.vulncheck.com/advisories/snes9k-9z-buffer-overflow-seh-via-netplay-socket (third-party-advisory)
Frequently asked questions
- What is CVE-2018-25251?
- CVE-2018-25251 is a high-severity vulnerability in SourceForge Snes9k 0.0.9z, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2026-04-04.
- How severe is CVE-2018-25251?
- High severity. CVSS v3 base score is 8.4 out of 10.