CVE-2026-44408
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 · uneditedThere is an unauthorized access vulnerability in ZTE MU5250. Due to improper permission control of the Web interface, an unauthorized attacker can modify configuration through the interface.
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 confidenceZTE MU5250 contains an improper authorization vulnerability in its web management interface. The vulnerability allows unauthenticated remote attackers to modify device configuration due to missing or insufficient permission checks on certain web interface functions.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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
- Adjacent
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- Low
- Availability
- High
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/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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Identify the device modelAccess the device web interface or check the device label/marketing materials to confirm the model is ZTE MU5250. If accessing the web interface, look for the model number typically displayed in the footer or About section of the management page.Affected if The device is a ZTE MU5250 model
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Confirm web management interface is accessibleAttempt to access the device web management interface via HTTP/HTTPS on the typical management ports (often 80, 443, or a custom port). Check if the login or configuration page loads without requiring authentication credentials first.Affected if The web management interface is reachable and loads without initial authentication prompt
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Verify authentication enforcement on configuration endpointsDirectly navigate to or attempt POST requests to known configuration endpoints (such as /api/settings, /cgi-bin/config, or similar) without providing valid credentials. Observe whether the device returns configuration data or accepts changes without a session token or login.Affected if Configuration endpoints respond or accept changes without valid authentication tokens
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Check for unauthorized configuration modificationsReview current device configuration settings through the web interface (if accessible) or by comparing against known-good baselines. Look for unexpected changes to network settings, administrator accounts, Wi-Fi credentials, or port forwarding rules.Affected if Configuration settings have been altered without administrator knowledge or authorization
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Inspect network exposure of management interfaceCheck firewall rules, NAT configurations, or port forwarding rules on upstream devices to determine if the web management interface is exposed to the internet or untrusted networks. Use external port scanning tools from outside the local network to confirm accessibility.Affected if The web management interface is accessible from untrusted networks or the internet
A user is affected if they operate a ZTE MU5250 device whose web management interface is exposed and allows unauthorized access to configuration endpoints without proper authentication validation.
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 dataRestrict network access to the web management interface, implement proper authentication and role-based authorization controls on all configuration endpoints, and apply any vendor-provided security updates.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,120.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-44408 — 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-2026-44408 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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