What is CVE-2025-62771?

CVE-2025-62771 is a high-severity vulnerability in Mercku M6a, classified under Cross-Site Request Forgery (CSRF). CVSS score: 7.5/10. Published 2025-10-22.

How severe is CVE-2025-62771?

High severity. CVSS v3 base score is 7.5 out of 10.

CSRF in Mercku M6a

CVE-2025-62771

Mercku M6a devices through 2.1.0 allow password changes via intranet CSRF attacks.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.000 (1.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Mercku M6a — versions 0

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

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

Frequently asked questions

What is CVE-2025-62771?: CVE-2025-62771 is a high-severity vulnerability in Mercku M6a, classified under Cross-Site Request Forgery (CSRF). CVSS score: 7.5/10. Published 2025-10-22.
How severe is CVE-2025-62771?: High severity. CVSS v3 base score is 7.5 out of 10.