CVE-2025-70521 Fanvil x7a - Command Injection

Fanvil x7a firmware version 2.6.0.1182 contains a command injection vulnerability caused by insecure handling of user-supplied input in the management portal's diagnostic ping tool, letting unauthenticated attackers execute arbitrary code on the underlying Android OS, exploit requires no authentication.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.43% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Command Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
7 October 2026
Updated
15 October 2026
Weakness
CWE-77

Vendor fix

Update to the latest firmware version available from Fanvil.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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