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PatchSiren cyber security CVE debrief

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
2026-07-22
Advisory published
2026-06-04
Advisory updated
2026-07-22

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.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-50211 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-50211

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-50211 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-50211

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Mitigation or vendor reference

    Unverified legacy reference

    URL: https://community.acer.com/en/kb/articles/19707

    8fc372e3-d9c5-46e4-9410-38469745c639 - Mitigation, Vendor Advisory

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.