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Vulnerabilities

Vulnerability · CVE-2025-56566

MikroTik firmware 7.19.4 stores sensitive authentication credentials and network state in cleartext within non-volatile storage.

Published Sep 16, 2026 · catalog updated Oct 14, 2026 · MikroTik firmware 7.19.4 stores

Check if you run it

No confirmed exploitation is on record for CVE-2025-56566. EPSS is 0.16%. Act only if a listed version of MikroTik firmware 7.19.4 stores is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (MikroTik firmware 7.19.4 stores).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.6
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.16%
Remediation
Advisory link
Affected products
See sources for product scope

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.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2025-56566

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-56566. EPSS is 0.16%. Act only if a listed version of MikroTik firmware 7.19.4 stores is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-312: Cleartext Storage of Sensitive Information. EPSS 0.16%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 16, 2026 · NIST NVD

    Detected

    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.

  2. Oct 14, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-56566

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-56566

    30-day exploitation probability 0.2%

    first.org
  • NIST NVDVulnerability recordCVE-2025-56566

    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 knowl

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.