CVE-2025-9099Public exploitNetwork attack vector

Authenticated file write via unrestricted upload

Published Aug 18, 2025 · Updated Aug 18, 2025

Unrestricted file upload in Acrel Environmental Monitoring Cloud Platform 20250804 allows remote authenticated users to write files. The /NewsManage/UploadNewsImg endpoint accepts the File argument without enforcing restrictions on uploaded file types or contents. Low-privileged access to the remote interface is required; uploaded content is stored by the platform, but execution and overwrite capabilities are not established.

CVSS severity6.3
Medium
EPSS probability0.34%
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 Acrel Environmental Monitoring Cloud Platform 20250804 allows remote authenticated users to write files. The /NewsManage/UploadNewsImg endpoint accepts the File argument without enforcing restrictions on uploaded file types or contents. Low-privileged access to the remote interface is required; uploaded content is stored by the platform, but execution and overwrite capabilities are not established.

The record

CVE
CVE-2025-9099
Published
Aug 18, 2025
Updated
Aug 18, 2025
Vendor
Acrel Co., Ltd.
Product
Environmental Monitoring Cloud Platform
Classifications
CWE-284, CWE-434, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 18, 2025CVE publishedPublication date reported by the CVE source.
  2. Aug 18, 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=20250804

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Acrel Co., Ltd. · Environmental Monitoring Cloud Platformversion=20250804

Published CVSS scores

2.1VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
6.3VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
6.5VulDBAV:N/AC:L/Au:S/C:P/I:P/A:P

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.

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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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-284Improper Access Control
CWE-434Unrestricted Upload of File with Dangerous Type
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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