CVE-2023-4121: Byzoro Smart S85F Management Platform unrestricted upload

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-08-03 · updated 2026-06-17
Weakness: CWE-434

Description

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.

Affected products

Byzoro Smart S85F: through 20230722

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
https://vuldb.com/?ctiid.235968
https://vuldb.com/?id.235968
https://vuldb.com/?submit.185755

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