CVE-2025-56566

Cleartext Credential Disclosure via Physical SPI Flash Read in MikroTik RouterOS 7.19.4

Published Sep 16, 2026 CVSS 3.1 · 4.6 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Cleartext Credential Disclosure via Physical SPI Flash Read in MikroTik RouterOS 7.19.4
Type Values Removed Values Added
Title Cleartext Storage of Authentication Credentials in MikroTik RouterOS 7.19.4
Weaknesses CWE-200
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.6, 'vector': 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Cleartext Storage of Authentication Credentials in MikroTik RouterOS 7.19.4
Weaknesses CWE-200
CWE-312
Type Values Removed Values Added
First Time appeared Mikrotik
Mikrotik routeros
Vendors & Products Mikrotik
Mikrotik routeros
Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 22, 2026, 4:08 PM
Reserved
Aug 17, 2025, 12:00 AM
Status
Awaiting Analysis
Published
Sep 16, 2026, 9:17 PM
Modified
Oct 14, 2026, 1:10 PM