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CVE-2024-0939: A vulnerability has been found in Byzoro Smart S210 Management Platform up to 20240117 and classified as criti

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This week
MEDIUM 6.3UPGRADE

CVE-2024-0939 is a medium-severity flaw (CVSS 6.3) affecting smart s210 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability has been found in Byzoro Smart S210 Management Platform up to 20240117 and classified as critical. This vulnerability affects unknown code of the file /Tool/uploadfile.php. The manipulation of the argument file_upload leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-252184. NOTE: The vendor was contacted ear

Why this priority

  • EPSS top 1%: very likely to be exploited
  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score6.3 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance43.8% (top 1%)
CISA exploited listNo
WeaknessCWE-434
Published2024-01-26
Last modified2026-06-17
Publisher (CNA): VulDB · Vendor: byzoro

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

byzoro smart s210 firmware UPGRADE
Affected: <= 2024-01-17
Fixed in: newer than 2024-01-17
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-0939?

smart s210 firmware: upgrade to newer than 2024-01-17. Exact commands for each OS are on this page.

Is CVE-2024-0939 being exploited?

CVE-2024-0939 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-0939 affect?

CVE-2024-0939 affects smart s210 firmware. Severity is medium (CVSS 6.3). A vulnerability has been found in Byzoro Smart S210 Management Platform up to 20240117 and classified as critical. This vulnerability affects unknown code of the file /Tool/uploadfile.php. The manipulation of the argument file_upload leads

How urgent is CVE-2024-0939?

Priority 52/100. EPSS top 1%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

References

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