CVE-2023-6574

Byzoro Smart S20 HTTP POST Request updateos.php unrestricted upload

HIGH
8.8
CVSS Score
Published: December 7, 2023 at 07:31 PM UTC
Updated: June 17, 2026 at 06:51 AM UTC
2 products affected across 1 vendorSmart S20 FirmwareSmart S20

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Severity
HIGH8.8
Exploit prediction
EPSS 2%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 2023-11-20
byzoro-smart-s20 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (4)

SignaturePermissions RequiredThird Party Advisory
https://vuldb.com/?ctiid.247154
VDB EntryTechnical DescriptionThird Party Advisory
https://vuldb.com/?id.247154

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-434

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