CVE-2025-56566 Information disclosure in n/a

Medium 4.6 Published Updated

Attackers with physical access can extract cleartext credentials from SPI flash, enabling unauthorized access to MikroTik devices.

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-2025-56566?

CVE-2025-56566 is a medium-severity vulnerability in n/a, published on 16 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

MikroTik firmware 7.19.4 stores sensitive authentication credentials and network state in cleartext within non-volatile storage. An attacker with physical access to the device can extract this material from an SPI flash dump, without authenticating to the device and without knowledge of the administrative password.

Weakness: CWE-312

Which versions are affected by CVE-2025-56566?

How do I fix CVE-2025-56566?

No fix has been published for CVE-2025-56566 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-56566 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-56566 exists.

Sources

Also known as GHSA-cq56-4wxf-3742.

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