CVE-2025-62772 Security feature bypass in M6a

Low 3.1 Published Updated

Attackers can hijack user sessions on Mercku M6a routers because session tokens remain valid for months, allowing unauthorized access.

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-2025-62772?

CVE-2025-62772 is a low-severity vulnerability in Mercku M6a, published on 22 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

On Mercku M6a devices through 2.1.0, session tokens remain valid for at least months in some cases.

Weakness: CWE-305

Which versions are affected by CVE-2025-62772?

How do I fix CVE-2025-62772?

No fix has been published for CVE-2025-62772 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-62772 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-62772 exists.

Sources

Also known as GHSA-h5x7-xvx7-3c6r.

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