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Fencer Vulns
critical 9.8

CVE-2023-2231 json

MAXTECH MAX-G866ac Remote Management missing authentication

published 2023-04-21 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-33741

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

A vulnerability, which was classified as critical, was found in MAXTECH MAX-G866ac 0.4.1_TBRO_20160314. This affects an unknown part of the component Remote Management. The manipulation leads to missing authentication. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-227001 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Exploit prediction

2.02% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • MAXTECH MAX-G866ac

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.