CVE-2017-8199
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 · uneditedMAX PRESENCE V100R001C00, TP3106 V100R002C00, TP3206 V100R002C00 have an out-of-bounds read vulnerability in H323 protocol. An attacker logs in to the system as a user and send crafted packets to the affected products. Due to insufficient verification of the packets, successful exploit will cause process reboot.
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 confidenceAn out-of-bounds read vulnerability exists in the H323 protocol implementation across MAX PRESENCE, TP3106, and TP3206 video conferencing products. An attacker with valid user credentials can send specially crafted packets that lack sufficient validation, triggering the out-of-bounds read condition and causing a process reboot (Denial of Service).
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= v100r001c00= v100r002c00= v100r002c00CVSS 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.0/AV:N/AC:L/PR:L/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 product modelLog into the video conferencing device or check inventory documentation to determine if the device is a Huawei Max Presence, TP3106, or TP3206 unit.Affected if Device is a Huawei Max Presence, TP3106, or TP3206 model.
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Check installed firmware versionAccess the device's web interface, CLI (typically via SSH/Telnet), or administrative console and navigate to the firmware/version information section. Common CLI command: 'display version' or 'show system-info'.Affected if Firmware version matches v100r001c00 (Max Presence), v100r002c00 (TP3106), or v100r002c00 (TP3206).
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Verify H323 protocol is enabledAccess the device's settings or CLI and check the H323 protocol configuration. Common path: Settings > Protocol > H323 or CLI command: 'display h323 enable' or 'display voip service'.Affected if H323 protocol is enabled and configured for use.
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Review system logs for H323-related crashesCheck system logs, crash dumps, or audit logs for entries indicating unexpected process reboots, out-of-bounds memory reads, or H323 stack failures. Look for keywords: 'H323', 'out-of-bounds', 'reboot', 'crash', 'stack overflow'.Affected if Logs show unexplained process reboots or H323-related error messages.
A user is affected if they are running one of the listed firmware versions on Max Presence, TP3106, or TP3206 devices with H323 protocol enabled.
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 dataApply vendor patches when available. Until then, limit access to trusted authenticated users only, implement network segmentation, and monitor for anomalous H323 traffic patterns.
- Consultation6.0 h
- Implementation12.0 h
- Testing10.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2017-8199 — 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-2017-8199 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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