CVE-2024-24731
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 · uneditedThis vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Silicon Labs Gecko OS. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the http_download command. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device.
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 confidenceA stack-based buffer overflow vulnerability exists in the http_download command of Silicon Labs Gecko OS due to insufficient validation of user-supplied data length before copying to a stack-based buffer. This allows unauthenticated network-adjacent attackers to execute arbitrary code in the device context.
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 dataall versionsCVSS 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
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:A/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 Gecko OS deploymentLocate the device or firmware and confirm it runs Silicon Labs Gecko OS. Check device documentation, firmware strings, or boot logs for 'Gecko OS' or 'Silicon Labs' identifiers.Affected if The device or firmware does not run Gecko OS, then the CVE does not apply.
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Confirm http_download feature is availableExamine the Gecko OS configuration or firmware build to determine if the http_download command is included in the image. This may require reviewing the firmware binary, build configuration files, or device command reference documentation.Affected if http_download command is not present in the firmware, the vulnerability cannot be triggered.
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Check if http_download is enabledLog into the device or inspect its configuration to determine whether http_download functionality is enabled or accessible. This may involve checking CLI command availability, configuration files, or runtime feature flags.Affected if http_download is explicitly disabled or unavailable in the runtime configuration, exploitation is not possible.
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Assess network exposure of http_downloadReview network configuration, firewall rules, and access control lists to determine if the http_download interface is accessible from network-adjacent locations. Check if the device listens on ports or protocols that expose this command.Affected if The http_download interface is exposed to untrusted network-adjacent attackers, they can attempt exploitation.
A user is affected if their Gecko OS device has http_download functionality enabled and accessible from network-adjacent attackers, since all versions of Gecko OS contain the vulnerability.
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 any available vendor patch for Gecko OS. If no patch exists, implement network segmentation to restrict access to the http_download functionality and consider compensating controls such as disabling the feature if not required.
- Consultation3.0 h
- Implementation6.0 h
- Testing6.0 h
- Review / QA3.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-24731 — 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-2024-24731 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
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