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CVE-2026-50211 Acer CVE debrief

A high-severity vulnerability, CVE-2026-50211, was discovered in Acer Connect M6E 5G firmware. The vulnerability has a CVSS score of 8.8 and allows malicious apps to gain write privileges to internal NVRAM registers due to leftover engineering diagnostics and factory-level diagnostic software exposed on retail builds.

Vendor
Acer
Product
Connect M6E 5G Portable WiFi Router
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-04
Original CVE updated
2026-06-04
Advisory published
2026-06-04
Advisory updated
2026-06-04

Who should care

Users of Acer Connect M6E 5G devices, particularly those using firmware versions up to m6e_ai_1.00.000019, should be aware of this vulnerability and take necessary precautions.

Technical summary

The vulnerability, CWE-134, is caused by exposed engineering diagnostics and factory-level diagnostic software on retail builds of Acer Connect M6E 5G firmware. This exposure allows malicious apps to gain write privileges to internal NVRAM registers.

Defensive priority

High

Recommended defensive actions

  • Users should update their firmware to the latest version, if available.
  • Users should be cautious when installing apps and only install apps from trusted sources.
  • Users should monitor their device for any suspicious activity.

Evidence notes

The vulnerability was reported by an unknown source and is listed in the NVD database.

Official resources

CVE-2026-50211 was published on 2026-06-04T09:16:29.700Z and modified on 2026-06-04T19:13:04.923Z.