Description
The local MQTT broker does not enforce topic-level Access Control Lists (ACLs). This allows any client to subscribe using wildcard characters (# or +) to enumerate hidden network devices or publish rogue control commands.
Published: 2026-06-04
Score: 8.6 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 05 Jun 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Acer connect M6e 5g Portable Wifi Router
Vendors & Products Acer connect M6e 5g Portable Wifi Router

Thu, 04 Jun 2026 19:45:00 +0000

Type Values Removed Values Added
First Time appeared Acer
Acer connect M6e 5g
Acer connect M6e 5g Firmware
CPEs cpe:2.3:h:acer:connect_m6e_5g:-:*:*:*:*:*:*:*
cpe:2.3:o:acer:connect_m6e_5g_firmware:*:*:*:*:*:*:*:*
Vendors & Products Acer
Acer connect M6e 5g
Acer connect M6e 5g Firmware
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Thu, 04 Jun 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 04 Jun 2026 04:00:00 +0000

Type Values Removed Values Added
Description The local MQTT broker does not enforce topic-level Access Control Lists (ACLs). This allows any client to subscribe using wildcard characters (# or +) to enumerate hidden network devices or publish rogue control commands.
Title Lack of MQTT Broker Topic Access Control Lists
Weaknesses CWE-287
References
Metrics cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

Acer Connect M6e 5g Connect M6e 5g Firmware Connect M6e 5g Portable Wifi Router
cve-icon MITRE

Status: PUBLISHED

Assigner: Acer

Published:

Updated: 2026-06-04T12:37:21.511Z

Reserved: 2026-05-28T02:46:15.560Z

Link: CVE-2026-49186

cve-icon Vulnrichment

Updated: 2026-06-04T12:37:16.920Z

cve-icon NVD

Status : Analyzed

Published: 2026-06-04T04:17:15.550

Modified: 2026-06-04T19:42:02.090

Link: CVE-2026-49186

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-05T10:09:18Z

Weaknesses