CVE-2017-2238
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 · uneditedCross-site request forgery (CSRF) vulnerability in Toshiba Home gateway HEM-GW16A firmware HEM-GW16A-FW-V1.2.0 and earlier and Toshiba Home gateway HEM-GW26A firmware HEM-GW26A-FW-V1.2.0 and earlier allows remote attackers to hijack the authentication of administrators via unspecified vectors.
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 confidenceCSRF vulnerability in Toshiba Home gateway HEM-GW16A and HEM-GW26A firmware V1.2.0 and earlier allows remote attackers to hijack administrator authentication by tricking authenticated admins into unknowingly submitting malicious requests to the device's web interface.
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<= 1.2.0<= 1.2.0CVSS 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
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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 device modelAccess the device's web administration interface and locate the model number in the status or system information page. Alternatively, check the device label or SNMP interface for model identifier HEM-GW16A or HEM-GW26A.Affected if Model is HEM-GW16A or HEM-GW26A
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Check firmware versionIn the device web admin interface, navigate to the firmware or system information section and record the installed firmware version number.Affected if Firmware version is 1.2.0 or lower
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Verify web interface accessibilityDetermine if the device web management interface is reachable from untrusted networks. Check network configuration, firewall rules, and whether the device is deployed in a segmented network zone.Affected if Web interface is exposed to untrusted networks or the device lacks network isolation
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Check for CSRF protectionsInspect HTTP responses from the device web interface for anti-CSRF tokens or unique request identifiers. Examine form submissions and state-changing requests for presence of SameSite cookies, CSRF tokens, or Referer/Origin validation.Affected if No anti-CSRF tokens found in forms and no SameSite cookie attributes set on session cookies
Device is affected if it is a Toshiba HEM-GW16A or HEM-GW26A running firmware version 1.2.0 or earlier, and its web interface is accessible to potential attackers.
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 update if available; if no patch exists, implement compensating controls such as network segmentation, enforcing SameSite cookie attributes, and implementing strict Origin/Referer header validation at any upstream proxy.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,408.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2017-2238 — 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-2017-2238 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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