Threat Investigation
Request a demo

CVE-2025-56566

Medium

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.

SeverityMedium
CVSS4.6
Exploit probability—
ProductMikrotik Firmware
PublishedSep 16, 2026
First seenSep 16, 2026
Weakness typeCWE-312CWE-312

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
MikroTik firmware7.19.4—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.