CVE-2025-34046Known exploitationPublic exploitNetwork attack vector

Remote code execution via unrestricted file upload

Published Jun 26, 2025 · Updated Jul 14, 2026

Unrestricted file upload in Weaver Network Technology Co., Ltd. e-office 9.4 and earlier allows remote attackers to execute code. The /general/index/UploadFile.php handler accepts Filedata as executable PHP when uploadType is eoffice_logo or theme without authentication or type enforcement. The uploaded script is written beneath a web-accessible images path, where a follow-up request executes it with the web server's privileges.

CVSS severity10.0
Critical
EPSS probability0.83%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unrestricted file upload in Weaver Network Technology Co., Ltd. e-office 9.4 and earlier allows remote attackers to execute code. The /general/index/UploadFile.php handler accepts Filedata as executable PHP when uploadType is eoffice_logo or theme without authentication or type enforcement. The uploaded script is written beneath a web-accessible images path, where a follow-up request executes it with the web server's privileges.

The record

CVE
CVE-2025-34046
Published
Jun 26, 2025
Updated
Jul 14, 2026
Vendor
Weaver Network Technology Co., Ltd.
Product
e-office
Classifications
CWE-434, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 5, 2025Exploitation reportedShadowserver honeypot observation
  2. Jun 26, 2025CVE publishedPublication date reported by the CVE source.
  3. Jul 14, 2026Record 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 <=9.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Weaver Network Technology Co., Ltd. · e-officeversion=0 <=9.4

Published CVSS scores

10.0VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

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
Privilegesunauthenticated
Known exploitationReported
Public exploitPublished

Weakness, pattern, technique

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.

Reported exploitation

Technologies

Your stack

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Your stack

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