Arbitrary file upload in Shanghai Fanwei Network Technology E-Office
CVE-2025-34046
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.
Vulnerability class: Unrestricted File Upload
Published · last modified .
EPSS exploit prediction
EPSS: 0.009 (57.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.001
Affected products
- Shanghai Fanwei Network Technology E-Office — versions 0
Weakness classification (CWE)
References
- www.cnvd.org.cn/flaw/show/CNVD-2021-49104 (third-party-advisory)
- github.com/M0ge/CNVD-2021-49104-Fanwei-Eoffice-fileupload/blob/main/eoffice_fil… (exploit)
- vulncheck.com/advisories/fanwei-eoffice-file-upload (third-party-advisory)
- github.com/projectdiscovery/nuclei-templates/blob/main/http/cnvd/2021/CNVD-2021… (exploit)