CVE-2017-12568
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 · uneditedDenial of Service vulnerability in Debut embedded httpd 1.20 in Brother DCP-J132W (and probably other DCP models) allows remote attackers to hang the printer (disrupting its network connection) by sending a large amount of HTTP packets.
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 confidenceDenial of Service vulnerability in the Debut embedded HTTP server version 1.20 on Brother DCP-J132W and potentially other DCP model printers. Remote attackers can cause the printer to hang and lose network connectivity by sending a large volume of HTTP packets, exploiting insufficient resource handling or missing rate limiting in the httpd 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= 1.20CVSS 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:3.0/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 checksWork through these to decide whether this CVE applies to you.
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Identify Brother printer modelCheck the printer label, web interface, or network discovery to confirm the exact model number (e.g., DCP-J132W)Affected if Model is not DCP-J132W - other models may have similar issues but this CVE specifically targets DCP-J132W
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Check firmware versionAccess the printer web interface (http://[printer-ip]) or print a configuration/network page to locate the firmware versionAffected if Firmware version equals 1.20 exactly - this is the only version listed as affected
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Verify HTTP server is enabledCheck the printer web interface settings or network configuration page for HTTP server statusAffected if HTTP server/Web-Based Management is enabled and accessible on port 80 or 443
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Confirm network accessibilityAttempt to access the printer HTTP interface from your network or check firewall/network rulesAffected if The HTTP service is reachable from a network segment where remote attackers could send packets
You are affected if you have a Brother DCP-J132W printer running firmware version 1.20 with the embedded HTTP server enabled and network-accessible.
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 dataSince no vendor patch is mentioned in available references, apply network segmentation or firewall rules to restrict unauthorized HTTP access to the printer, or contact Brother for firmware updates addressing this DoS vulnerability.
- Consultation4.0 h
- Implementation8.0 h
- Testing3.0 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 $4,880.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2017-12568 — 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-2017-12568 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