What is the CVSS score of CVE-2023-50919?

CVE-2023-50919 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 52.3%.

Which versions of Gl Ax1800 Firmware are affected by CVE-2023-50919?

CVE-2023-50919 presents critical security risk, a improper authentication vulnerability rated CVSS 9.8.

Is there a public PoC exploit available for CVE-2023-50919?

Yes, a public proof-of-concept exploit is available for CVE-2023-50919. Prioritise patching immediately. EPSS: 52.3%.

How to fix or mitigate CVE-2023-50919?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Audit authentication configurations and rotate any potentially compromised credentials.

Gl Ax1800 Firmware CVE-2023-50919

CRITICAL

Improper Authentication (CWE-287)

2024-01-12 cve@mitre.org

Authentication Bypass Nginx Gl Ax1800 Firmware Gl Axt1800 Firmware Gl Mt3000 Firmware Gl Mt2500 Firmware Gl Mt6000 Firmware Gl Mt1300 Firmware Gl Mt300N V2 Firmware Gl Ar750S Firmware Gl Ar750 Firmware Gl Ar300M Firmware Gl B1300 Firmware Gl A1300 Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:34 vuln.today

PoC Detected

Jun 03, 2025 - 14:15 vuln.today

Public exploit code

CVE Published

Jan 12, 2024 - 08:15 nvd

CRITICAL 9.8

DescriptionCVE.org

An issue was discovered on GL.iNet devices before version 4.5.0. There is an NGINX authentication bypass via Lua string pattern matching. This affects A1300 4.4.6, AX1800 4.4.6, AXT1800 4.4.6, MT3000 4.4.6, MT2500 4.4.6, MT6000 4.5.0, MT1300 4.3.7, MT300N-V2 4.3.7, AR750S 4.3.7, AR750 4.3.7, AR300M 4.3.7, and B1300 4.3.7.

AnalysisAI

An issue was discovered on GL.iNet devices before version 4.5.0. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 52.3%.

Technical ContextAI

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. An issue was discovered on GL.iNet devices before version 4.5.0. There is an NGINX authentication bypass via Lua string pattern matching. This affects A1300 4.4.6, AX1800 4.4.6, AXT1800 4.4.6, MT3000 4.4.6, MT2500 4.4.6, MT6000 4.5.0, MT1300 4.3.7, MT300N-V2 4.3.7, AR750S 4.3.7, AR750 4.3.7, AR300M 4.3.7, and B1300 4.3.7. Affected products include: Gl-Inet Gl-Ax1800 Firmware, Gl-Inet Gl-Axt1800 Firmware, Gl-Inet Gl-Mt3000 Firmware, Gl-Inet Gl-Mt2500 Firmware, Gl-Inet Gl-Mt6000 Firmware. Version information: version 4.5.0..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.