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.

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)

EPSS: 0.010 (77.3th percentile) — read the EPSS interpretation.

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.

Affected products

Acer Predator Connect W6x — versions W6x_GBL_2.00.000005
Acer Predator_connect_w6x
Acer Predator_connect_w6x_firmware

Weakness classification (CWE)

CWE-77 — Command Injection

References

8fc372e3-d9c5-46e4-9410-38469745c639 (Vendor Advisory)

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.