CVE-2023-39226
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 · uneditedIn Delta Electronics InfraSuite Device Master v.1.0.7, a vulnerability exists that allows an unauthenticated attacker to execute arbitrary code through a single UDP packet.
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 · high confidenceDelta Electronics InfraSuite Device Master v1.0.7 contains a critical pre-authentication remote code execution vulnerability where an unauthenticated attacker can achieve arbitrary code execution by sending a single UDP packet to the affected service, likely due to improper input validation or buffer handling in the UDP listener.
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= 1.0.7CVSS 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
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/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 if InfraSuite Device Master is installedCheck the installed software list or program directories for 'Delta Electronics InfraSuite Device Master' or 'InfraSuite Device Master'Affected if The product is present on the system
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Determine the installed versionReview the software version information for InfraSuite Device Master (typically found in Add/Remove Programs, the application itself, or installation logs)Affected if The installed version is exactly 1.0.7
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Verify the UDP listener service is activeCheck running processes or services for the Device Master UDP listener component, typically named 'DeviceMaster' or similar delta-related serviceAffected if The UDP listener service is running on the system
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Identify the exposed UDP portRun 'netstat -anup' or use port scanning tools to identify UDP ports listening on the Device Master service interfaceAffected if The service is listening on a UDP port (typically port 161 or similar SNMP-related port for device management)
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Assess network accessibility of the UDP serviceReview firewall rules, network ACLs, or perform external UDP port probe to determine if the service port is accessible from untrusted networksAffected if The UDP listener port is accessible from network segments outside the trusted management zone
You are affected if Delta Electronics InfraSuite Device Master version 1.0.7 is installed and its UDP listener service is running 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 dataApply vendor patches immediately; as an interim measure, restrict network access to the Device Master UDP service via firewall rules or network segmentation to prevent unauthorized external access.
- Consultation2.0 h
- Implementation1.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-39226 — 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-2023-39226 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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