CVE-2023-7330 Ruijie Networks NBR Routers Unauthenticated Arbitrary File Upload via fileupload.php
Remote attackers can upload malicious PHP files to Ruijie NBR routers via an unauthenticated endpoint, leading to arbitrary code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-7330?
CVE-2023-7330 is a critical vulnerability in Beijing Star-Net Ruijie Network Technology Co., Ltd. NBR Series Routers, published on 24 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Ruijie NBR series routers contain an unauthenticated arbitrary file upload vulnerability via /ddi/server/fileupload.php. The endpoint accepts attacker-supplied values in the name and uploadDir parameters and saves the provided multipart file content without adequate validation or sanitization of file type, path, or extension. A remote attacker can upload a crafted PHP file and then access it from the web root, resulting in arbitrary code execution in the context of the web service. Exploitation evidence was observed by the Shadowserver Foundation on 2025-01-14 UTC.
Weakness: CWE-434
Which versions are affected by CVE-2023-7330?
How do I fix CVE-2023-7330?
No fix has been published for CVE-2023-7330 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-7330 being exploited?
There is no known exploitation of CVE-2023-7330 in the wild and no public exploit code.
Sources
Also known as GHSA-m5qv-5372-fh5j.