CVE-2026-19983
HighCVSS 8.3Exploitation Probability (EPSS)
Elevated risk68th percentile - higher than 68% of all known CVEs
Summary
A vulnerability was detected in GL.iNet devices (A1300, AX1800, AXT1800, MT2500, MT3000, MT6000, X3000, XE3000) version 4.8.x. The issue affects the file /usr/bin/gl_nas_sys in the NAS Command Service component, allowing OS command injection. The attack can be launched remotely. Upgrading to version 4.9.0 addresses the issue.
Risk Assessment
An attacker can remotely execute arbitrary system commands on the device, potentially leading to full device and network compromise.
Recommendation
Upgrade the affected devices to version 4.9.0 as soon as possible, which resolves the vulnerability.
Original NVD description (English source)
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."

