Description
Mercku M6a devices through 2.1.0 allow root TELNET logins via the web admin password.
References (2)
Core 2
Core References
Various Sources
https://blog.nullvoid.me/posts/mercku-exploits/
Mailing List
https://seclists.org/fulldisclosure/2025/Oct/10
Scores
CVSS v3
8.0
EPSS
0.0023
EPSS Percentile
13.8%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-669
Status
published
Products (1)
Mercku/M6a
< 2.1.0
Published
Oct 22, 2025
Tracked Since
Feb 18, 2026