CVE-2023-33629
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 · uneditedH3C Magic R300 version R300-2100MV100R004 was discovered to contain a stack overflow via the DeltriggerList interface at /goform/aspForm.
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 stack overflow vulnerability exists in the H3C Magic R300 router (R300-2100MV100R004) in the DeltriggerList function at /goform/aspForm. This suggests insufficient input validation on a form handler, allowing an attacker to overwrite stack memory and potentially achieve remote code execution.
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= r300-2100mv100r004CVSS 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
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:H/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 router modelLog into the router's web管理界面 or check the device label to confirm the model is H3C Magic R300Affected if The device is not an H3C Magic R300 router, then it is not affected by this specific CVE
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Check the firmware versionNavigate to the router's web管理界面, typically at 192.168.1.1, and look for a System Info or Firmware Version section; alternatively, check the label on the device itself for the version markingAffected if The firmware version is exactly r300-2100mv100r004; other versions are not affected by this CVE
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Verify the web management interface is accessibleAttempt to reach http(s)://<router-ip>/goform/aspForm from a browser or use curl to confirm the endpoint respondsAffected if The /goform/aspForm endpoint is unreachable, then the attack surface does not exist regardless of version
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Check if remote management is enabledIn the router web interface, look for Remote Management, WAN Access, or Web Service settings; confirm if the management interface is exposed to WANAffected if Remote management is enabled and the web interface is WAN-accessible, the vulnerability is exploitable from external networks
You are affected if you have an H3C Magic R300 router running firmware version r300-2100mv100r004 with the web management interface at /goform/aspForm accessible, especially if remote management is 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 firmware updates when available; otherwise, restrict access to the router's web management interface to trusted networks or disable remote management entirely.
- Consultation3.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA3.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-33629 — 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-2023-33629 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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