CVE-2025-62775

Mercku M6a devices through 2.1.0 allow root TELNET logins via the web admin password.

CVSS 3.1

8.0CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.3% chance of exploitation in the next 30 days; higher than 20% of CVEs (scores of 2026-10-25)

CWE

CWE-669

Published

2025-10-22

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

References

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

Check your stackJSON