RCE in Acer Predator Connect W6x

CVE-2026-49199

Crafted MQTT messages can trigger command injection, resulting in root-level code execution on the target device.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.022 (81.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-49199: rose from 0.013 to 0.022.

EPSS over last 30 days · oldest: 0.013 · newest: 0.022 · change: +0.008

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-49199?
CVE-2026-49199 is a critical-severity vulnerability in Acer Predator Connect W6x, classified under Command Injection. CVSS score: 9.8/10. Published 2026-05-29.
How severe is CVE-2026-49199?
Critical severity. CVSS v3 base score is 9.8 out of 10.