CVE-2025-3540 Command injection in Magic NX15
An attacker on the local network can execute arbitrary commands via a crafted HTTP POST request to the wizard API in H3C Magic routers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-3540?
CVE-2025-3540 is a high-severity command injection vulnerability in H3C Magic NX15, published on 13 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability classified as critical was found in H3C Magic NX15, Magic NX30 Pro, Magic NX400 and Magic R3010 up to V100R014. Affected by this vulnerability is the function FCGI_WizardProtoProcess of the file /api/wizard/getCapability of the component HTTP POST Request Handler. The manipulation leads to command injection. The attack can only be initiated within the local network. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component.
Which versions are affected by CVE-2025-3540?
How do I fix CVE-2025-3540?
No fix has been published for CVE-2025-3540 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2025-3540 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-3540 exists.
Sources
Also known as GHSA-vf3h-3qcv-6864.