CVE-2026-50211
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedLeftover engineering diagnostics and factory-level diagnostic software remain exposed on retail builds, giving malicious apps write privileges to internal NVRAM registers.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceEngineering diagnostic tools and factory-level software were not removed from production firmware builds, leaving administrative-level interfaces accessible on retail devices. This allows any malicious application to write directly to internal NVRAM registers that store critical hardware configuration and calibration data.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data<= m6e_ai_1.00.000019CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Check the installed firmware versionAccess the device's web interface or administrative panel and look for firmware version information, typically found in System, Status, or About sections. Alternatively, check via CLI if available using 'fw_printenv' or 'cat /proc/version' commands.Affected if The firmware version is m6e_ai_1.00.000019 or lower.
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Identify engineering diagnostic binaries on the deviceSearch the filesystem for known engineering diagnostic tools. Use 'find / -name '*diag*'' or 'find / -name '*factory*'' or 'find / -name '*eng*'' to locate diagnostic-related files. Look for binaries in /bin, /sbin, /usr/bin, or /usr/sbin directories.Affected if Any engineering diagnostic binaries or factory-test software are present in the production firmware.
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Verify NVRAM write access permissionsCheck if diagnostic tools have write permissions to NVRAM by examining file permissions on NVRAM-related files or devices. Use 'ls -la /dev/nv*' or 'cat /proc/mtd' to identify NVRAM storage locations. Check if diagnostic binaries run with elevated privileges using 'ls -la <binary_path>'.Affected if Engineering tools have executable permissions and can write to NVRAM device files or registers.
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Inspect running processes for diagnostic servicesUse 'ps' command to list running processes and look for suspicious diagnostic or factory-test services. Check for processes with names containing 'diag', 'factory', 'test', 'eng', or 'nvram' in their output.Affected if Engineering diagnostic services or factory-test processes are running on the device.
A user is affected if the Acer Connect M6e 5g device runs firmware version m6e_ai_1.00.000019 or lower AND engineering diagnostic tools with NVRAM write privileges are present in the production firmware image.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataRemove all engineering diagnostics, factory test software, and debug interfaces from production firmware builds before release; implement build-system controls to ensure debug code is excluded from retail images.
- Consultation6.0 h
- Implementation16.0 h
- Testing12.0 h
- Review / QA6.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $11,136.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-50211 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-50211 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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