CVE-2026-49198
Predator Connect W6x: MQTT Broker Access Control
Description
Improper access control in the MQTT broker allows wildcard topic subscriptions, exposing all MQTT traffic to unauthorized actors.
INFO
Published Date :
May 29, 2026, 9:16 a.m.
Last Modified :
May 29, 2026, 9:16 a.m.
Remotely Exploit :
Yes !
Source :
8fc372e3-d9c5-46e4-9410-38469745c639
Affected Products
The following products are affected by CVE-2026-49198
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | HIGH | 8fc372e3-d9c5-46e4-9410-38469745c639 | ||||
| CVSS 4.0 | HIGH | 8fc372e3-d9c5-46e4-9410-38469745c639 |
Solution
- Disable wildcard topic subscriptions in the MQTT broker.
- Implement strict topic access control lists.
- Authenticate all MQTT clients.
- Validate user permissions for topic access.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-49198.
| URL | Resource |
|---|---|
| https://community.acer.com/en/kb/articles/19672 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-49198 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-49198
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-49198 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-49198 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by 8fc372e3-d9c5-46e4-9410-38469745c639
May. 29, 2026
Action Type Old Value New Value Added Description Improper access control in the MQTT broker allows wildcard topic subscriptions, exposing all MQTT traffic to unauthorized actors. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-284 Added Reference https://community.acer.com/en/kb/articles/19672