CVE-2023-6274: A vulnerability was found in Byzoro Smart S80 up to 20231108

Q: How do I fix CVE-2023-6274?

smart s80 firmware: upgrade to newer than 2023-11-08. Exact commands for each OS are on this page.

Q: Is CVE-2023-6274 being exploited?

CVE-2023-6274 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-2023-6274 affect?

CVE-2023-6274 affects smart s80 firmware. Severity is medium (CVSS 6.3). A vulnerability was found in Byzoro Smart S80 up to 20231108. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /sysmanage/updatelib.php of the component PHP File Handler. The manipulat

Q: How urgent is CVE-2023-6274?

Priority 49/100. Public exploit reference

This month

MEDIUM 6.3UPGRADE

CVE-2023-6274 is a medium-severity flaw (CVSS 6.3) affecting smart s80 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 S80 up to 20231108. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /sysmanage/updatelib.php of the component PHP File Handler. The manipulation of the argument file_upload leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability i

Why this priority

Public exploit reference

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	2.9% (top 13%)
CISA exploited list	No
Weakness	CWE-434
Published	2023-11-24
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

2023-11-24 14:15 UTCPublished CVE record published
2026-06-17 06:50 UTCUpdated Record last modified

byzoro smart s80 firmware UPGRADE

Affected: <= 2023-11-08

Fixed in: newer than 2023-11-08

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-2023-6274?

smart s80 firmware: upgrade to newer than 2023-11-08. Exact commands for each OS are on this page.

Is CVE-2023-6274 being exploited?

CVE-2023-6274 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-2023-6274 affect?

CVE-2023-6274 affects smart s80 firmware. Severity is medium (CVSS 6.3). A vulnerability was found in Byzoro Smart S80 up to 20231108. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /sysmanage/updatelib.php of the component PHP File Handler. The manipulat

How urgent is CVE-2023-6274?

Priority 49/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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