CVE-2025-60251 Auth bypass in B2

Medium 5.0 Published Updated

Attackers can bypass authentication on Unitree robots by using a handshake secret containing the substring 'unitree'.

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-2025-60251?

CVE-2025-60251 is a medium-severity authentication bypass vulnerability in Unitree B2, published on 26 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Unitree Go2, G1, H1, and B2 devices through 2025-09-20 accept any handshake secret with the unitree substring.

Weakness: CWE-306

Which versions are affected by CVE-2025-60251?

How do I fix CVE-2025-60251?

No fix has been published for CVE-2025-60251 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2025-60251 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-60251 exists.

Sources

Also known as GHSA-6xwv-c8h2-7xmj.

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