CVE-2018-25251

high

Description

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.

References

https://www.vulncheck.com/advisories/snes9k-9z-buffer-overflow-seh-via-netplay-socket

https://www.exploit-db.com/exploits/45598

https://sourceforge.net/projects/snes9k/files/latest/download

https://sourceforge.net/projects/snes9k/

Details

Source: Mitre, NVD

Published: 2026-04-04

Updated: 2026-04-04

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.4

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 8.6

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: High