CVE-2026-18191
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 · uneditedVIN-DS783E-E6 developed by Vacron has a Hidden Functionality vulnerability, allowing unauthenticated remote attackers to exploit a specific hidden function to obtain the administrator credentials of the device.
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 confidenceThe Vacron VIN-DS783E-E6 device contains an undocumented hidden function (backdoor) in its firmware that can be invoked by unauthenticated remote attackers. This hidden functionality allows attackers to retrieve the device's administrator credentials, providing full administrative access to the system.
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
- 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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Identify the Vacron VIN-DS783E-E6 device in your inventoryReview your hardware/network asset inventory to confirm whether any Vacron VIN-DS783E-E6 devices are deployed on your networkAffected if The device model VIN-DS783E-E6 is present in your environment
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Verify network accessibility of the deviceCheck whether the Vacron device is reachable from network segments outside your internal management network, or directly from the internetAffected if The device has IP connectivity from untrusted networks or is exposed externally
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Review device access logs for credential retrieval attemptsExamine the device system logs, web server logs, or authentication logs for unusual or unauthorized requests that may indicate credential retrieval via the hidden functionAffected if Logs show unexplained credential access, especially from remote or unknown IP addresses
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Check for unauthorized administrative accounts or sessionsLog into the device admin interface and review the list of configured administrator accounts and active sessions for any unknown or unexpected entriesAffected if Unexpected admin accounts exist or active sessions originate from untrusted sources
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Monitor network traffic for suspicious endpointsUse network monitoring or packet capture to observe if the device is communicating with unexpected external IP addresses or domains, especially on unusual portsAffected if The device initiates or maintains connections to unknown external hosts
You are affected if the Vacron VIN-DS783E-E6 device is present in your environment and is network-accessible from untrusted sources, or if evidence of unauthorized credential access is found in logs or configurations.
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 exposure of the device to trusted networks only, contact Vacron for a firmware patch that removes the hidden function, and implement network segmentation/IPS controls to detect attempts to access unknown endpoints.
- 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-2026-18191 — 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-2026-18191 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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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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
- No spam, self-promotion, credentials, or personal data