CVE-2023-5493: Byzoro Smart s45f Firmware

High severity, CVSS 8.8. EPSS: 1.7% chance of exploitation in the next 30 days.

A vulnerability has been found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /useratte/web.php. 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 identifier VDB-241645 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Byzoro Smart s45f Firmware: up to and including 20230928

Published 2023-10-10. Last modified 2026-06-17.