CVE-2023-6574

8.8 highEPSS 1.6%

A vulnerability was found in Byzoro Smart S20 up to 20231120 and classified as critical. Affected by this issue is some unknown functionality of the file /sysmanage/updateos.php of the component HTTP POST Request Handler. The manipulation of the argument 1_file_upload leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-247154 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Severity

CVSS 3.1

8.8 high

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

EPSS: 1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
CWE: CWE-434
Published: 2023-12-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

byzoro:smart_s20_firmware

References

https://github.com/flyyue2001/cve/blob/main/smart_sql_updateos.md
https://vuldb.com/?ctiid.247154
https://vuldb.com/?id.247154
https://vuldb.com/?submit.241172
https://github.com/flyyue2001/cve/blob/main/smart_sql_updateos.md

Check your stack JSON