CVE-2023-50919

CRITICAL
Published Jan 12, 2024 Modified Jun 3, 2025 CWE-287

Description

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.

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CVSS v3.1 Score

9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-287 Improper Authentication

Affected Products

Vendor Product
gl-inet gl-ax1800_firmware
gl-inet gl-ax1800_firmware
gl-inet gl-ax1800
gl-inet gl-axt1800_firmware
gl-inet gl-axt1800_firmware
gl-inet gl-axt1800
gl-inet gl-mt3000_firmware
gl-inet gl-mt3000_firmware
gl-inet gl-mt3000
gl-inet gl-mt2500_firmware
gl-inet gl-mt2500_firmware
gl-inet gl-mt2500
gl-inet gl-mt6000_firmware
gl-inet gl-mt6000_firmware
gl-inet gl-mt6000
gl-inet gl-mt1300_firmware
gl-inet gl-mt1300_firmware
gl-inet gl-mt1300
gl-inet gl-mt300n-v2_firmware
gl-inet gl-mt300n-v2_firmware
gl-inet gl-mt300n-v2
gl-inet gl-ar750s_firmware
gl-inet gl-ar750s_firmware
gl-inet gl-ar750s
gl-inet gl-ar750_firmware
gl-inet gl-ar750_firmware
gl-inet gl-ar750
gl-inet gl-ar300m_firmware
gl-inet gl-ar300m_firmware
gl-inet gl-ar300m
gl-inet gl-b1300_firmware
gl-inet gl-b1300_firmware
gl-inet gl-b1300
gl-inet gl-a1300_firmware
gl-inet gl-a1300_firmware
gl-inet gl-a1300

References

Frequently Asked Questions

What is CVE-2023-50919? +
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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2023-50919? +
CVE-2023-50919 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.
What products are affected by CVE-2023-50919? +
CVE-2023-50919 affects products from gl-inet, specifically: gl-a1300, gl-a1300_firmware, gl-ar300m, gl-ar300m_firmware, gl-ar750, gl-ar750_firmware, gl-ar750s, gl-ar750s_firmware, gl-ax1800, gl-ax1800_firmware, gl-axt1800, gl-axt1800_firmware, gl-b1300, gl-b1300_firmware, gl-mt1300, gl-mt1300_firmware, gl-mt2500, gl-mt2500_firmware, gl-mt3000, gl-mt3000_firmware, gl-mt300n-v2, gl-mt300n-v2_firmware, gl-mt6000, gl-mt6000_firmware. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2023-50919? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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