CVE-2026-49190 Missing Per-Instruction Authorization Checks

What is CVE-2026-49190?

CVE-2026-49190 is a critical missing authorization vulnerability in Acer Connect M6E 5G Portable WiFi Router, published on 4 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The system fails to evaluate instructional permissions over multiple internal operation codes (opcodes), permitting unauthorized application installations or command executions.

Weakness: CWE-78

Which versions are affected by CVE-2026-49190?

It affects 1 product.

Products include Acer Connect M6e 5g Firmware.

How do I fix CVE-2026-49190?

No fix has been published for CVE-2026-49190 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-2026-49190 being exploited?

There is no known exploitation of CVE-2026-49190 in the wild and no public exploit code.

Other vulnerabilities in Acer Connect M6E 5G Portable WiFi Router

• CVE-2026-49185 Instruction Injection via FieldX MDM Critical 10.0
• CVE-2026-49194 SCREEN_CLICK Authentication Bypass Critical 9.4
• CVE-2026-49191 Exposed Hard-coded M3WebServer Backend API Key Critical 9.3
• CVE-2026-50209 MDM Server Registration Overriding Critical 9.3
• CVE-2026-50214 Shared Secret Quota Inflation Critical 9.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-v76p-jwh5-4pcm.