HOMEVULNERABILITIESCVE-2023-46381
HIGH

CVE-2023-46381

CWE-306Published: November 4, 2023· Updated: Jun 17, 2026

8.2
CVSS v3.1

Official Description

LOYTEC LINX-151, LINX-212, LVIS-3ME12-A1, LIOB-586, LIOB-580 V2, LIOB-588, L-INX Configurator devices (all versions) lack authentication for the preinstalled version of LWEB-802 via an lweb802_pre/ URI. An unauthenticated attacker can edit any project (or create a new project) and control its GUI.

NVD Source

Technical Analysis

CVE-2023-46381 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 8.2.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

Affected Vendors & Products

loytec6 product(s)
linx-212 firmwarelinx-212lvis-3me12-a1 firmwarelvis-3me12-a1liob-586 firmwareliob-586
Source: NVD CPE · 6 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

ADVISORYhttp://packetstormsecurity.com/files/175646/LOYTEC-Electronics-Insecure-Transit-Insecure-Permissions-Unauthenticated-Access.html
ADVISORYhttps://seclists.org/fulldisclosure/2023/Nov/0
ADVISORYhttp://packetstormsecurity.com/files/175646/LOYTEC-Electronics-Insecure-Transit-Insecure-Permissions-Unauthenticated-Access.html
ADVISORYhttps://seclists.org/fulldisclosure/2023/Nov/0

All References (8)

→
http://packetstormsecurity.com/files/175646/LOYTEC-Electronics-Insecure-Transit-Insecure-Permissions-Unauthenticated-Access.htmlThird Party Advisory
→
https://seclists.org/fulldisclosure/2023/Nov/0Mailing List · Third Party Advisory
→
https://www.cisa.gov/news-events/ics-advisories/icsa-24-247-01
→
https://www.txone.com/blog/ten-unpatched-vulnerabilities-in-building-automation-products-identified-by-txone-networks/
→
http://packetstormsecurity.com/files/175646/LOYTEC-Electronics-Insecure-Transit-Insecure-Permissions-Unauthenticated-Access.htmlThird Party Advisory
→
http://seclists.org/fulldisclosure/2023/Nov/0
→
https://seclists.org/fulldisclosure/2023/Nov/0Mailing List · Third Party Advisory
→
https://www.txone.com/blog/ten-unpatched-vulnerabilities-in-building-automation-products-identified-by-txone-networks/

Quick Facts

CVE IDCVE-2023-46381
CVSS Score8.2 / 10
SeverityHIGH
WeaknessCWE-306
CISA KEVNo
Affected1 vendor(s)
PublishedNov 4, 2023

Related CVEs (CWE-306)

CVE-2019-11061
10.0
CVE-2024-48966
10.0
CVE-2007-0956
10.0
CVE-2025-55108
10.0
CVE-2019-11063
10.0
CVE-2026-44329
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-46381 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.COM. CVE data is provided under the NVD usage policy.
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