CVE-2025-62773

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

22/10/2025

Last modified:

22/10/2025

Description

Mercku M6a devices through 2.1.0 allow TELNET sessions via a router.telnet.enabled.update request by an administrator.

Impact

Vector 3.x

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 2.40 LOW
Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): Low
Availability (A): None

Base Score 3.x

2.40

Severity 3.x

LOW

References to Advisories, Solutions, and Tools

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