CVE-2025-7213 FNKvision FNK-GU2 UART Interface on-chip debug and test interface with improper access control

Medium 5.4 Published Updated

Physical attackers can exploit improper access control on the UART interface to gain unauthorized debug access and potentially execute code on the device.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-7213?

CVE-2025-7213 is a medium-severity missing authorization vulnerability in FNKvision FNK-GU2, published on 9 Jul 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 has been found in FNKvision FNK-GU2 up to 40.1.7. Affected is an unknown function of the component UART Interface. The manipulation leads to on-chip debug and test interface with improper access control. It is possible to launch the attack on the physical device. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used.

Weakness: CWE-1191

Which versions are affected by CVE-2025-7213?

How do I fix CVE-2025-7213?

No fix has been published for CVE-2025-7213 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-7213 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-7213 exists.

Sources

Also known as GHSA-2vhm-8pv3-vj8c.

Is CVE-2025-7213 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free