CVE-2025-70521 Command injection in n/a
Unauthenticated attackers can inject commands via the diagnostic ping tool to execute arbitrary code on the device.
- 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-2025-70521?
CVE-2025-70521 is a critical command injection vulnerability in n/a, published on 7 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The management portal's diagnostic ping tool of Fanvil x7a firmware version 2.6.0.1182 does not handle user supplied input securely. The lack of secure user input handling allows any unauthenticated attacker to inject commands and run code in the underlying Android operating system.
Weakness: CWE-77
Which versions are affected by CVE-2025-70521?
How do I fix CVE-2025-70521?
No fix has been published for CVE-2025-70521 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-2025-70521 being exploited?
There is no known exploitation of CVE-2025-70521 in the wild and no public exploit code.
Sources
Also known as GHSA-rv2w-876m-ggq4.