CVE-2025-56566 (CVSS 4.6)

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.

Is your site exposed to CVE-2025-56566?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

4.6

MEDIUM

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploit Prediction

0.0016

Probability of exploitation

0.05%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-312 CWE-312

References

Other References

https://github.com/RIFTI-Offensive-Security/security-advisories/blob/main/CVE-2025-56566.md https://github.com/RIFTI-Offensive-Security/security-advisories/blob/main/CVE-2025-56566.md

Frequently Asked Questions

What is CVE-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 knowledge of the administrative password. It has a CVSS v3.1 base score of 4.6 (MEDIUM).

How severe is CVE-2025-56566? +

CVE-2025-56566 has a CVSS v3.1 score of 4.6 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0016, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2025-56566? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-4387

StrongDM Desktop Application before 23.74.0 (Desktop Client before 53.77.0) on Microsoft Windows stores authentication state, including a JSON Web Token …

CVE-2025-2909

The lack of encryption in the DuoxMe (formerly Blue) application binary in versions prior to 3.3.1 for iOS devices allows …

CVE-2026-9274

This vulnerability exists in CP Plus Wi-Fi Camera due to improper protection of sensitive information in runtime memory. An attacker …

CVE-2025-23027

next-forge is a Next.js project boilerplate for modern web application. The BASEHUB_TOKEN commited in apps/web/.env.example. Users should avoid use of …

CVE-2025-23215

PMD is an extensible multilanguage static code analyzer. The passphrase for the PMD and PMD Designer release signing keys are …

CVE-2025-2189

This vulnerability exists in the Tinxy smart devices due to storage of credentials in plaintext within the device firmware. An …