Snes9K 0.0.9z Netplay Options Menu Socket Port Number out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k1.30-

Summaryinfo

A vulnerability, which was classified as critical, has been found in Snes9K 0.0.9z. Affected by this vulnerability is an unknown functionality of the component Netplay Options Menu. Performing a manipulation of the argument Socket Port Number results in out-of-bounds write. This vulnerability is reported as CVE-2018-25251. The attack requires a local approach. Moreover, an exploit is present.

Detailsinfo

A vulnerability, which was classified as critical, was found in Snes9K 0.0.9z. This affects an unknown functionality of the component Netplay Options Menu. The manipulation of the argument Socket Port Number with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE 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 weakness was disclosed by Abdullah Alıç as 45598. The advisory is shared at exploit-db.com. This vulnerability is uniquely identified as CVE-2018-25251 since 04/04/2026. The exploitability is told to be easy. An attack has to be approached locally. Technical details and a public exploit are known.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (45598) and EUVD (EUVD-2018-21754). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.4
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Exploit-DB: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/04/2026 Advisory disclosed
04/04/2026 +0 days CVE reserved
04/04/2026 +0 days VulDB entry created
04/04/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 45598
Researcher: Abdullah Alıç
Status: Not defined

CVE: CVE-2018-25251 (🔒)
GCVE (CVE): GCVE-0-2018-25251
GCVE (VulDB): GCVE-100-355377
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/04/2026 19:50
Updated: 04/04/2026 21:15
Changes: 04/04/2026 19:50 (81), 04/04/2026 21:15 (1)
Complete: 🔍
Cache ID: 216:8B8:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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