CVE-2023-6576: A vulnerability was found in Byzoro S210 up to 20231123

Q: How do I fix CVE-2023-6576?

smart s210 firmware: upgrade to newer than 2023-11-21. Exact commands for each OS are on this page.

Q: Is CVE-2023-6576 being exploited?

CVE-2023-6576 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-6576 affect?

CVE-2023-6576 affects smart s210 firmware. Severity is medium (CVSS 6.3). A vulnerability was found in Byzoro S210 up to 20231123. It has been declared as critical. This vulnerability affects unknown code of the file /Tool/uploadfile.php of the component HTTP POST Request Handler. The manipulation of the argument

Q: How urgent is CVE-2023-6576?

Priority 40/100. No elevated risk signals yet.

This month

MEDIUM 6.3UPGRADE

CVE-2023-6576 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 was found in Byzoro S210 up to 20231123. It has been declared as critical. This vulnerability affects unknown code of the file /Tool/uploadfile.php of the component HTTP POST Request Handler. 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-247156. NOTE: The vendo

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-434
Published	2023-12-07
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: byzoro

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

Am I affected?

Timeline

2023-12-07 21:15 UTCPublished CVE record published
2026-06-17 06:51 UTCUpdated Record last modified

byzoro smart s210 firmware UPGRADE

Affected: <= 2023-11-21

Fixed in: newer than 2023-11-21

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-2023-6576?

smart s210 firmware: upgrade to newer than 2023-11-21. Exact commands for each OS are on this page.

Is CVE-2023-6576 being exploited?

CVE-2023-6576 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-2023-6576 affect?

CVE-2023-6576 affects smart s210 firmware. Severity is medium (CVSS 6.3). A vulnerability was found in Byzoro S210 up to 20231123. It has been declared as critical. This vulnerability affects unknown code of the file /Tool/uploadfile.php of the component HTTP POST Request Handler. The manipulation of the argument

How urgent is CVE-2023-6576?

Priority 40/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2024-0939 MEDIUM 6.3 UPGRADE A vulnerability has been found in Byzoro Smart S210 Management Platform up to 20240117 and classified as criti
CVE-2023-7039 MEDIUM 6.3 UPGRADE A vulnerability classified as critical has been found in Byzoro S210 up to 20231210
CVE-2023-6575 MEDIUM 6.3 UPGRADE A vulnerability was found in Byzoro S210 up to 20231121

References

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