CVE-2026-52197
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 · uneditedAn issue in UTT nv518G nv518GV3v3.2.7-210919-161313 allows a remote attacker to cause a denial of service via the gohead/sub_44af70 component
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 confidenceA denial of service vulnerability exists in UTT nv518G router firmware version v3.2.7-210919-161313. The issue affects the gohead/sub_44af70 component, allowing a remote attacker to crash the device or cause service disruption without authentication.
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
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 modelLog into the router web interface or check the device label to confirm the model is UTT nv518GAffected if Device is not an UTT nv518G router, then it is not affected by this specific CVE
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Check the firmware versionAccess the router admin panel, typically at http://192.168.1.1, and navigate to System Status or Firmware Information to find the installed firmware versionAffected if Firmware version is v3.2.7-210919-161313 exactly, or falls within any version range that includes this specific build
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Verify gohead service is accessibleAttempt to access the gohead web service endpoint on the device from the network. This is typically found on port 80 or 443. Use a browser or curl to check if the management interface respondsAffected if The router management interface is exposed to the network and responds to requests on HTTP/HTTPS ports (the vulnerability is remotely exploitable without authentication)
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Check network exposure of management interfaceReview firewall rules or network configuration to determine if the router admin interface is accessible from untrusted networks or the internetAffected if The management interface is exposed to WAN/untrusted networks, increasing exploitability
The device is affected if it is an UTT nv518G router running firmware v3.2.7-210919-161313 with the management interface network-accessible to an attacker.
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 dataContact UTT Technologies for firmware updates addressing this vulnerability. If no patch is available, implement network segmentation and firewall rules to restrict access to the device's management interface from untrusted networks.
- Consultation2.0 h
- Implementation1.0 h
- Testing2.0 h
- Review / QA1.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2026-52197 — 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-2026-52197 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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