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CVE-2023-5683: A vulnerability was found in Byzoro Smart S85F Management Platform up to 20231010 and classified as critical

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MEDIUM 6.3UPGRADE

CVE-2023-5683 is a medium-severity flaw (CVSS 6.3) affecting smart s85f firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in Byzoro Smart S85F Management Platform up to 20231010 and classified as critical. This issue affects some unknown processing of the file /sysmanage/importconf.php. The manipulation of the argument btn_file_renew leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-243059. NOTE: The vendor

Why this priority

  • EPSS top 5%: 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 chance9.3% (top 5%)
CISA exploited listNo
WeaknessCWE-78
Published2023-10-21
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 s85f firmware UPGRADE
Affected: <= 2023-10-10
Fixed in: newer than 2023-10-10
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.
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-2023-5683?

smart s85f firmware: upgrade to newer than 2023-10-10. Exact commands for each OS are on this page.

Is CVE-2023-5683 being exploited?

CVE-2023-5683 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-2023-5683 affect?

CVE-2023-5683 affects smart s85f firmware. Severity is medium (CVSS 6.3). A vulnerability was found in Byzoro Smart S85F Management Platform up to 20231010 and classified as critical. This issue affects some unknown processing of the file /sysmanage/importconf.php. The manipulation of the argument btn_file_renew

How urgent is CVE-2023-5683?

Priority 51/100. EPSS top 5%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

References

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