CVE-2024-1253: Byzoro Smart s40 Firmware

High severity, CVSS 7.2. EPSS: 1.7% chance of exploitation in the next 30 days.

A vulnerability, which was classified as critical, has been found in Byzoro Smart S40 Management Platform up to 20240126. Affected by this issue is some unknown functionality of the file /useratte/web.php of the component Import Handler. The manipulation of the argument file_upload leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-252992. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Byzoro Smart s40 Firmware: up to and including 2024-01-26

Published 2024-02-06. Last modified 2026-06-17.