CVE-2026-50209 MDM Server Registration Overriding

Critical 9.3 Published 4 Jun 2026 Updated 4 Jun 2026

Malicious software can override the MDM endpoint via broadcast events, allowing attackers to seize administrative control of the router.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-50209?

CVE-2026-50209 is a critical missing authorization vulnerability in Acer Connect M6E 5G Portable WiFi Router, published on 4 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Broadcast events allow malicious software to rewrite the device's default Mobile Device Management (MDM) endpoint address, shifting administrative ownership to an external attacker.

Weakness: CWE-732

Which versions are affected by CVE-2026-50209?

It affects 1 product.

Products include Acer Connect M6e 5g Firmware.

How do I fix CVE-2026-50209?

No fix has been published for CVE-2026-50209 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-50209 being exploited?

There is no known exploitation of CVE-2026-50209 in the wild and no public exploit code.

Sources

Also known as GHSA-jwpr-997h-4qrm.