CVE-2024-45274
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 · uneditedAn unauthenticated remote attacker can execute OS commands via UDP on the device due to missing authentication.
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 confidenceThis vulnerability allows unauthenticated remote attackers to execute operating system commands on the affected device by sending specially crafted UDP packets to the device. The root cause is missing authentication enforcement on the UDP service that handles command processing, enabling any attacker on the network to inject and execute arbitrary OS commands without credentials.
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< 2.3.1< 2.3.1CVSS 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 device model and firmware versionAccess the device through its web interface, serial console, or management interface to retrieve the exact model name and installed firmware version. Compare the firmware version against the affected range: less than 2.3.1Affected if The device is a Mbconnectline Mbnet.mini or Helmholz Rex 100 with firmware version below 2.3.1
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Locate UDP service portsPerform a UDP port scan (using nmap -sU or similar tool) against the device IP address to identify open UDP ports, particularly those associated with the command processing serviceAffected if UDP service ports used for command processing are open and listening on the device
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Test unauthenticated command accessSend a test UDP packet to the device's command service port using a packet crafting tool (such as scapy or hping3) to verify whether the service processes commands without requiring authenticationAffected if The UDP service accepts and processes commands without any authentication credentials
Device is affected if it is a Mbnet.mini or Rex 100 running firmware below 2.3.1 AND the UDP command service is enabled and accessible without requiring authentication.
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 · scoped2.3.1
Implement authentication and authorization controls on the UDP service to verify the identity of requesters before processing commands. If UDP service is not essential, disable or restrict it to trusted network segments.
Firmware 2.3.1 or later for Mbnet.mini and Rex 100
- Obtain the official firmware version 2.3.1 or later for your device (Mbnet.mini or Rex 100) from the vendor's official support渠道
- Verify the firmware integrity using checksums provided by the vendor if available
- Access the device's administrative interface or use the vendor-supplied firmware update tool
- Upload and apply the firmware version 2.3.1 to the affected device
- Reboot the device as required by the firmware update process
- Verify the device is operational and running the patched firmware version
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 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 $5,120.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-45274 — 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-2024-45274 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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