CVE-2026-49186

8.6 highEPSS 0.3%

High (8.6) in acer connect m6e 5g firmware. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.6 high

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

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 24% of CVEs (scores of 2026-10-31)
CWE: CWE-287
Published: 2026-06-04
Modified: 2026-07-22
Record from: the NVD, synced 2026-10-19

Affected

acer:connect_m6e_5g_firmware

References

https://community.acer.com/en/kb/articles/19707

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