CVE-2025-7917Network attack vector

Server code execution via unrestricted file upload

Published Jul 21, 2025 · Updated Jul 21, 2025

Unrestricted file upload in Simopro Technology WinMatrix3 Web package 1.2.39.5 and earlier allows remote authenticated users to execute server code. A specific web page performs incomplete upload validation, allowing files of disallowed types to be stored and executed as web shells. Administrator privileges and network access are required; successful exploitation permits arbitrary code execution on the server.

CVSS severity8.6
High
EPSS probability0.55%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unrestricted file upload in Simopro Technology WinMatrix3 Web package 1.2.39.5 and earlier allows remote authenticated users to execute server code. A specific web page performs incomplete upload validation, allowing files of disallowed types to be stored and executed as web shells. Administrator privileges and network access are required; successful exploitation permits arbitrary code execution on the server.

The record

CVE
CVE-2025-7917
Published
Jul 21, 2025
Updated
Jul 21, 2025
Vendor
Simopro Technology, Inc.
Product
WinMatrix3 Web package
Classifications
CWE-434, T1505.003
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jul 21, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 21, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=1.2.39.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Simopro Technology, Inc. · WinMatrix3 Web packageversion=0 <=1.2.39.5

Published CVSS scores

7.2TWCERT/CCCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
8.6TWCERT/CCCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-434Unrestricted Upload of File with Dangerous Type
T1505.003Web Shell

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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