CVE-2025-62774

LOW

Published Oct 22, 2025 Modified Apr 15, 2026 CWE-331

Description

On Mercku M6a devices through 2.1.0, the authentication system uses predictable session tokens based on timestamps.

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CVSS v3.1 Score

3.1

LOW

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

Weakness Type (CWE)

CWE-331 CWE-331

References

Other References

https://blog.nullvoid.me/posts/mercku-exploits/ https://seclists.org/fulldisclosure/2025/Oct/10

Frequently Asked Questions

What is CVE-2025-62774? +

On Mercku M6a devices through 2.1.0, the authentication system uses predictable session tokens based on timestamps. It has a CVSS v3.1 base score of 3.1 (LOW).

How severe is CVE-2025-62774? +

CVE-2025-62774 has a CVSS v3.1 score of 3.1 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

How do I check if I'm vulnerable to CVE-2025-62774? +

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.

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