CVE-2022-3228
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 · uneditedUsing custom code, an attacker can write into name or description fields larger than the appropriate buffer size causing a stack-based buffer overflow on Host Engineering H0-ECOM100 Communications Module Firmware versions v5.0.155 and prior. This may allow an attacker to crash the affected device or cause it to become unresponsive.
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-based buffer overflow vulnerability exists in Host Engineering H0-ECOM100 Communications Module Firmware versions v5.0.155 and prior. By using custom code to write data exceeding the buffer size into the name or description fields, an attacker can overflow a stack-based buffer, potentially crashing the affected device or causing it to become unresponsive.
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< 5.0.156CVSS 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
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:A/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 H0-ECOM100 device on the networkLocate the Host Engineering H0-ECOM100 communications module on your network. This is typically a PLC communications gateway device. Document its IP address and network accessibility.Affected if The device is present on your network and is reachable from your monitoring scope.
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Access the device management interfaceAccess the web-based or console management interface of the H0-ECOM100 using valid administrative credentials. Navigate to the firmware or system information section.Affected if You can successfully authenticate to the device and view its configuration.
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Check the installed firmware versionLocate the firmware version information in the device management interface or via SNMP/CLI command if available. Compare your version against the affected range of v5.0.155 and prior.Affected if The displayed firmware version is v5.0.155 or any version lower than v5.0.156.
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Verify if name or description fields are network-accessibleDetermine if the device web interface or API exposes fields labeled as name or description (such as device name, module description, or similar) without requiring authentication or with default credentials.Affected if The name or description configuration fields are accessible over the network without proper authentication barriers.
Your environment is affected if you have an H0-ECOM100 device running firmware v5.0.155 or prior and those name/description fields are network-accessible to supply excessive data.
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.
dbcve · scoped5.0.156
Upgrade the H0-ECOM100 firmware to a version beyond v5.0.155 that includes the patched build. If upgrade is not immediately feasible, network segmentation and access controls should be implemented to limit exposure to untrusted inputs.
Firmware version 5.0.156
- Identify the current firmware version of the H0-ECOM100 module via the device web interface or management console
- Download firmware version 5.0.156 from the official Host Engineering website or trusted vendor source
- Review device documentation for specific firmware update procedures
- Back up current device configuration if supported
- Upload and apply firmware version 5.0.156 to the H0-ECOM100 module
- Verify the upgrade was successful by confirming the new firmware version
- Restart the device if required and confirm normal operation
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation6.0 h
- Testing8.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-3228 — 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-2022-3228 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
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