Is CVE-2023-6274 actively exploited?

No active exploitation of CVE-2023-6274 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-6274 be exploited remotely?

Yes. CVE-2023-6274 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-6274?

CVE-2023-6274 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-6274

CWE-434Published: November 24, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

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 is VDB-246103. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

NVD Source

Risk Analysis

Byzoro Smart S80 firmware contains an unrestricted file upload vulnerability in its PHP file handler. This critical flaw allows remote attackers to upload and execute arbitrary files on the system.

No public exploit is known, and it is not in the CISA KEV. It is remotely exploitable with low attack complexity.

Recommended Action

Update the device firmware to a version beyond 20231108 or restrict access to the management interface.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-6274 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.