How severe is CVE-2023-46381?

CVE-2023-46381 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.

Is CVE-2023-46381 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-46381?

CVE-2023-46381 primarily affects Loytec Linx-212 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-46381?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-46381 published?

CVE-2023-46381 was published on 2023-11-04 and last updated on 2026-06-17.

CVE-2023-46381

CVE-2023-46381 is a high-severity vulnerability in Loytec Linx-212 Firmware with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 7% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Loytec Linx-212 Firmware
Published: 2023-11-04
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-46381?: 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.
How severe is CVE-2023-46381?: CVE-2023-46381 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.
Is CVE-2023-46381 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-46381?: CVE-2023-46381 primarily affects Loytec Linx-212 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-46381?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-46381 published?: CVE-2023-46381 was published on 2023-11-04 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:loytec:linx-212_firmware:6.2.4:*:*:*:*:*:*:*
cpe:2.3:o:loytec:lvis-3me12-a1_firmware:6.2.2:*:*:*:*:*:*:*
cpe:2.3:o:loytec:liob-586_firmware:6.2.3:*:*:*:*:*:*:*

More vulnerabilities in Loytec Linx-212 Firmware

CVE-2023-46389 — High (CVSS 7.5): LOYTEC electronics GmbH LINX-212 and LINX-151 devices (all versions) are vulnerable to Incorrect Access Control via…
CVE-2023-46388 — High (CVSS 7.5): LOYTEC electronics GmbH LINX-212 and LINX-151 devices (all versions) are vulnerable to Insecure Permissions via…
CVE-2023-46387 — High (CVSS 7.5): LOYTEC electronics GmbH LINX-212 and LINX-151 devices (all versions) are vulnerable to Incorrect Access Control via…
CVE-2023-46386 — High (CVSS 7.5): LOYTEC electronics GmbH LINX-212 and LINX-151 devices (all versions) are vulnerable to Insecure Permissions via…
CVE-2023-46382 — High (CVSS 7.5): LOYTEC LINX-151, LINX-212, LVIS-3ME12-A1, LIOB-586, LIOB-580 V2, LIOB-588, L-INX Configurator devices (all versions)…
CVE-2023-46380 — High (CVSS 7.5): LOYTEC LINX-151, LINX-212, LVIS-3ME12-A1, LIOB-586, LIOB-580 V2, LIOB-588, L-INX Configurator devices (all versions)…

All CVEs affecting Loytec Linx-212 Firmware →

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