CVE-2018-25251CWE-787

Snes9K 0.0.9z Buffer Overflow SEH via Netplay Socket

High · published April 4, 2026

CVSS v4.0
8.6
EPSS
0%
Percentile
7.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.6 · HIGH
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
EPSS
0.00185 · 7.7th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-04-04T13:51Z
EPSS history
Timeline
  • 04 APR 13:51Z
    Snes9K 0.0.9z Buffer Overflow SEH via Netplay Socket
    cvelistv5