Shanghai Fanwei Network E-Office up to 9.4 UploadFile.php unrestricted upload

Summaryinfo

A vulnerability was found in Shanghai Fanwei Network E-Office up to 9.4. It has been rated as critical. The impacted element is an unknown function of the file /general/index/UploadFile.php. Performing a manipulation results in unrestricted upload. This vulnerability was named CVE-2025-34046. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in Shanghai Fanwei Network E-Office up to 9.4. This affects an unknown function of the file /general/index/UploadFile.php. The manipulation with an unknown input leads to a unrestricted upload vulnerability. CWE is classifying the issue as CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An unauthenticated file upload vulnerability exists in the Fanwei E-Office <= v9.4 web management interface. The vulnerability affects the /general/index/UploadFile.php endpoint, which improperly validates uploaded files when invoked with certain parameters (uploadType=eoffice_logo or uploadType=theme). An attacker can exploit this flaw by sending a crafted HTTP POST request to upload arbitrary files without requiring authentication. Successful exploitation could enable remote code execution on the affected server, leading to complete compromise of the web application and potentially the underlying system. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-05 UTC.

The advisory is shared at cnvd.org.cn. This vulnerability is uniquely identified as CVE-2025-34046 since 04/15/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/21/2025). MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

By approaching the search of inurl:general/index/UploadFile.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-19208). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• Shanghai Fanwei Network

Name

• E-Office

Version

• 9.0
• 9.1
• 9.2
• 9.3
• 9.4

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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