H2w2pc1m FirmwareOperating system · Honeywell

CVE-2019-18228

HIGH · 7.5 CVSS v3.1 Published 2019-10-31
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
84/100
Remediation priority · High
Remotely reachable No privileges Zero-click

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 · unedited
Honeywell equIP series IP cameras Multiple equIP Series Cameras, A vulnerability exists in the affected products where a specially crafted HTTP packet request could result in a denial of service.

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 · low confidence

A denial of service vulnerability exists in Honeywell equIP series IP cameras where specially crafted HTTP packet requests can cause the device's web service to fail or become unresponsive, potentially disrupting video surveillance operations.

MitigationContact Honeywell for firmware updates addressing this vulnerability; in the interim, restrict HTTP access to these devices using network segmentation or firewall rules to limit exposure to untrusted networks.

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
H2w2pc1m FirmwareOperating system
Affected:all versions
H2w2per3 FirmwareOperating system
Affected:all versions
H2w4per3 FirmwareOperating system
Affected:all versions
H4w2per2 FirmwareOperating system
Affected:all versions
H4w2per3 FirmwareOperating system
Affected:all versions
H4w4per2 FirmwareOperating system
Affected:all versions
H4w4per3 FirmwareOperating system
Affected:all versions
H4w8pr2 FirmwareOperating system
Affected:all versions

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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify the camera model
    Check the device label, packaging, or access the web interface to view the model name under System > Device Info or similar. Look for model numbers: H2w2pc1m, H2w2per3, H4w2per2, H4w2per3, H2w4per3, H4w4per2, H4w4per3, or H4w8pr2.
    Affected if The model matches any of the eight affected models listed in the CVE.
  2. Check the firmware version
    Access the camera web interface and navigate to System > Firmware/Software or System > Device Info. Alternatively, use the ONVIF protocol or manufacturer discovery tool to query the firmware version.
    Affected if All firmware versions of the affected models are vulnerable since the CVE lists all versions.
  3. Verify web service status
    Attempt to access the camera HTTP interface via browser at http://[camera-ip]. Observe whether the login page loads or if the service is unresponsive, slow, or returning errors.
    Affected if The web service is unresponsive, returns errors, or has recently experienced unexplained outages.
  4. Check HTTP network exposure
    Review firewall rules, network segmentation, and access control lists to determine if the camera HTTP port (typically 80) is accessible from untrusted networks or the internet.
    Affected if Port 80/HTTP is exposed to untrusted networks, increasing the likelihood of exploitation.
  5. Review device logs for anomalies
    Access camera logs via the web interface under Logs or Diagnostics. Look for timestamps, HTTP request patterns, or service restarts that correlate with DoS conditions.
    Affected if Logs show repeated service failures, unusual HTTP request patterns, or unexpected restarts.

You are affected if your Honeywell IP camera is any of the eight listed models (H2w2pc1m, H2w2per3, H4w2per2, H4w2per3, H2w4per3, H4w4per2, H4w4per3, or H4w8pr2) and the web service is network-accessible, since all firmware versions of these models are vulnerable.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Contact Honeywell for firmware updates addressing this vulnerability; in the interim, restrict HTTP access to these devices using network segmentation or firewall rules to limit exposure to untrusted networks.

Fix this in H2w2pc1m Firmware Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing4.0 h
  • Review / QA2.0 h
18.0 hours of engineering $3,200
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Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2019-18228 in production — separate from our analysis above.

No notes yet

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What this is

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.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
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