Is CVE-2026-19983 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-19983?

CVE-2026-19983 has a CVSS v3 severity of HIGH (8.3).

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CVE-2026-19983

Description

A vulnerability was detected in GL.iNet A1300, AX1800, AXT1800, MT2500, MT3000, MT6000, X3000 and XE3000 4.8.x. This issue affects some unknown processing of the file /usr/bin/gl_nas_sys of the component NAS Command Service. The manipulation results in os command injection. The attack may be launched remotely. Upgrading to version 4.9.0 is capable of addressing this issue. It is suggested to upgrade the affected component. The vendor explains: "After our investigation, we have confirmed that the vulnerability described (...) does indeed exist."