HOMEVULNERABILITIESCVE-2023-6576
HIGH

CVE-2023-6576

CWE-434Published: December 7, 2023· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

A vulnerability was found in Byzoro S210 up to 20231123. It has been declared as critical. This vulnerability affects unknown code of the file /Tool/uploadfile.php of the component HTTP POST Request Handler. The manipulation of the argument file_upload leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-247156. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

NVD Source

Technical Analysis

CVE-2023-6576 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

byzoro2 product(s)
smart s210 firmwaresmart s210
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/willchen0011/cve/blob/main/upload.md
ADVISORYhttps://vuldb.com/?ctiid.247156
ADVISORYhttps://vuldb.com/?id.247156
ADVISORYhttps://github.com/willchen0011/cve/blob/main/upload.md
ADVISORYhttps://vuldb.com/?ctiid.247156
ADVISORYhttps://vuldb.com/?id.247156

All References (8)

→
https://github.com/willchen0011/cve/blob/main/upload.mdIssue Tracking · Third Party Advisory
→
https://vuldb.com/?ctiid.247156Third Party Advisory
→
https://vuldb.com/?id.247156Third Party Advisory
→
https://vuldb.com/?submit.242777
→
https://github.com/willchen0011/cve/blob/main/upload.mdIssue Tracking · Third Party Advisory
→
https://vuldb.com/?ctiid.247156Third Party Advisory
→
https://vuldb.com/?id.247156Third Party Advisory
→
https://vuldb.com/?submit.242777

Quick Facts

CVE IDCVE-2023-6576
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-434
CISA KEVNo
Affected1 vendor(s)
PublishedDec 7, 2023

Related CVEs (CWE-434)

CVE-2025-26776
10.0
CVE-2025-22504
10.0
CVE-2025-29009
10.0
CVE-2024-32809
10.0
CVE-2025-49885
10.0
CVE-2024-52476
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-6576 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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