CVE-2026-19983: GL.iNet XE3000 NAS Command Service gl_nas_sys os command injection
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/glnassys 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."
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
GL.iNet NAS Command Service (gl_nas_sys)to a version that resolves this vulnerability.Fixed in 4.9.0
Event History
Frequently Asked Questions
What is the severity of CVE-2026-19983?
CVE-2026-19983 has a high severity score of 8.3.
What impact does CVE-2026-19983 have on the system?
CVE-2026-19983 allows for OS command injection, which can lead to unauthorized command execution.
How do I fix CVE-2026-19983?
Fixing CVE-2026-19983 requires updating the affected GL.iNet devices to the latest firmware version.
Which devices are affected by CVE-2026-19983?
CVE-2026-19983 affects GL.iNet A1300, AX1800, AXT1800, MT2500, MT3000, MT6000, X3000, and XE3000 running versions 4.8.x.
What are the potential consequences of exploiting CVE-2026-19983?
Exploitation of CVE-2026-19983 can result in full system compromise or unauthorized access to sensitive data.