CVE-2023-4121

9.8 criticalEPSS 2.5%

Critical (9.8) in byzoro smart s85f. EPSS 2.5% chance of exploitation in the next 30 days.

A vulnerability was found in Byzoro Smart S85F Management Platform up to 20230722. It has been classified as critical. Affected is an unknown function. The manipulation of the argument file_upload leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-235968. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 2.5% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-31)
CWE: CWE-434
Published: 2023-08-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

byzoro:smart_s85f

References

https://github.com/torres14852/cve/blob/main/upload.md
https://vuldb.com/?ctiid.235968
https://vuldb.com/?id.235968
https://vuldb.com/?submit.185755
https://github.com/torres14852/cve/blob/main/upload.md

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