CVE-2023-46453
Critical
Description
Certain GL.iNet devices with 4.x firmware allow authentication bypass (resulting in administrative control of the device) via a username that is both a valid SQL statement and a valid regular expression. For example, this affects version 4.3.7 on GL-MT3000 GL-AR300M GL-B1300 GL-AX1800 GL-AR750S GL-MT2500 GL-AXT1800 GL-X3000 and GL-SFT1200.
SeverityCritical
CVSS9.8
Exploit probability—
ProductGL-MT3000
PublishedMay 8, 2026
First seenMay 8, 2026
Weakness typeCWE-89SQL injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| GL.iNet GL-MT3000 | 4.x ≤ v | — |
| GL.iNet GL-AR300M | 4.x ≤ v | — |
| GL.iNet GL-B1300 | 4.x ≤ v | — |
| GL.iNet GL-AX1800 | 4.x ≤ v | — |
| GL.iNet GL-AR750S | 4.x ≤ v | — |
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