CVE-2024-5949
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 · uneditedDeep Sea Electronics DSE855 Multipart Boundary Infinite Loop Denial-of-Service Vulnerability. This vulnerability allows network-adjacent attackers to create a denial-of-service condition on affected installations of Deep Sea Electronics DSE855 devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of multipart boundaries. The issue results from a logic error that can lead to an infinite loop. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-23171.
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 confidenceThe DSE855 device contains a logic error in its multipart boundary handling routine. When the device processes malformed multipart data, it enters an infinite loop due to incorrect boundary parsing logic. This causes the device's web service to hang, resulting in denial of 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= 1.1.0CVSS 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
- Adjacent
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:A/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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Confirm device model is DSE855Access the device's web interface or management console and identify the model number. This is typically displayed on the device status page or in the system information section.Affected if The device is not a Deepseaelectronics DSE855 unit, then this CVE does not apply.
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Check installed firmware versionNavigate to the firmware or system information page in the device's web management interface. Look for a version field that displays the current firmware version.Affected if The firmware version is exactly 1.1.0, the device is vulnerable to the infinite loop condition when malformed multipart data is processed.
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Verify web service is enabledCheck if the device's web-based management interface is accessible and enabled. This can be confirmed by attempting to access the device's IP address via HTTP/HTTPS in a web browser.Affected if The web service is disabled or not accessible, the attack surface is reduced though the vulnerable code may still be present in the firmware.
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Review network exposureDetermine if the device's web management interface is reachable from network segments beyond the local management network. Check firewall rules or network ACLs that may permit access.Affected if The management interface is exposed to untrusted network segments, an adjacent attacker could send malformed multipart requests to trigger the infinite loop.
You are affected if you have a Deepseaelectronics DSE855 device running firmware version 1.1.0 with its web management interface accessible to the network where attackers could send malformed multipart data.
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-supplied firmware patch when available. In the interim, restrict network access to the device's management interface using firewall rules or network segmentation to limit exposure to adjacent network attackers.
- Consultation4.0 h
- Implementation6.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-5949 — 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-2024-5949 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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