CVE-2025-7916

CriticalRCE

Published: 21 July 2025

Published

21 July 2025

Modified

15 April 2026

KEV Added

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Patch

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CVSS Score 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score 0.0314 87.0th percentile

Risk Priority 21 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-7916 is a critical-severity Deserialization of Untrusted Data (CWE-502) vulnerability in Org (inferred from references). Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 13.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190). What defenders deploy: see the NIST 800-53 controls recommended below.

Threat & Defense Details

Mitigating Controls (NIST 800-53 r5)AI

SI-10 Information Input Validation good match

prevent

Directly validates incoming serialized data at input points to block malicious deserialization payloads that lead to arbitrary code execution.

SI-2 Flaw Remediation good match

prevent

Remediates the specific insecure deserialization flaw through timely identification, reporting, and patching of the WinMatrix3 vulnerability.

SI-16 Memory Protection partial match

prevent

Provides memory safeguards such as DEP and ASLR to mitigate arbitrary code execution resulting from successful deserialization exploits.

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

Why these techniques?

Insecure deserialization in a network-accessible server product directly enables unauthenticated remote code execution on a public-facing application.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

NVD Description

WinMatrix3 developed by Simopro Technology has an Insecure Deserialization vulnerability, allowing unauthenticated remote attackers to execute arbitrary code on the server by sending maliciously crafted serialized contents.

Deeper analysisAI

CVE-2025-7916 is an Insecure Deserialization vulnerability (CWE-502) affecting WinMatrix3, a product developed by Simopro Technology. Published on 2025-07-21, the flaw allows unauthenticated remote attackers to execute arbitrary code on the server by sending maliciously crafted serialized contents. It carries a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), indicating critical severity due to its high impact on confidentiality, integrity, and availability.

Unauthenticated attackers with network access can exploit the vulnerability with low complexity and no user interaction or privileges required. Successful exploitation enables remote code execution on the affected server, potentially leading to full system compromise.

Advisories from TWCERT/CC, available at https://www.twcert.org.tw/en/cp-139-10257-e88f3-2.html and https://www.twcert.org.tw/tw/cp-132-10256-14d55-1.html, reference the vulnerability and provide further details.