Is CVE-2023-4873 actively exploited?

No active exploitation of CVE-2023-4873 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-4873 be exploited remotely?

Yes. CVE-2023-4873 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-4873?

CVE-2023-4873 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-4873

CWE-78Published: September 10, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability, which was classified as critical, was found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230906. Affected is an unknown function of the file /importexport.php. The manipulation of the argument sql leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-239358 is the identifier assigned to this vulnerability.

NVD Source

Risk Analysis

The Byzoro Smart S45F Multi-Service Secure Gateway is susceptible to OS command injection via the importexport.php file. This critical vulnerability carries a CVSS score of 9.8, indicating a high risk of total system compromise.

While public exploit information is available, this vulnerability is not currently tracked in the CISA KEV. It is remotely exploitable.

Recommended Action

Users should update the Byzoro Smart S45F firmware to a version released after 20230906.

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-2023-4873 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.