CVE-2025-62775 — HIGH (8.0)

Vulnerability Description

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

CVSS Score

8.0

HIGH

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-669

References

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

FAQ

What is CVE-2025-62775?

CVE-2025-62775 is a vulnerability with a CVSS score of 8.0 (HIGH). Mercku M6a devices through 2.1.0 allow root TELNET logins via the web admin password.

How severe is CVE-2025-62775?

CVE-2025-62775 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-62775?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.