GL.iNet XE3000 NAS Command Service gl_nas_sys os command injection
Priority MEDIUM 40CWE-77Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.
Summary
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."
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0206 81st percentileScored 2026-11-07
Fix Fixed A1300 (GL.iNet): 4.9.0AX1800 (GL.iNet): 4.9.0+6 more products
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| GL.iNet | A1300 | all versions | 4.9.0 | Patch available | CNA |
| GL.iNet | AX1800 | all versions | 4.9.0 | Patch available | CNA |
| GL.iNet | AXT1800 | all versions | 4.9.0 | Patch available | CNA |
| GL.iNet | MT2500 | all versions | 4.9.0 | Patch available | CNA |
| GL.iNet | MT3000 | all versions | 4.9.0 | Patch available | CNA |
| GL.iNet | MT6000 | all versions | 4.9.0 | Patch available | CNA |
| GL.iNet | X3000 | all versions | 4.9.0 | Patch available | CNA |
| GL.iNet | XE3000 | all versions | 4.9.0 | Patch available | CNA |
- A1300 VendorGL.iNet Affected all versions Fixed in 4.9.0 Patch available CNA
- AX1800 VendorGL.iNet Affected all versions Fixed in 4.9.0 Patch available CNA
- AXT1800 VendorGL.iNet Affected all versions Fixed in 4.9.0 Patch available CNA
- MT2500 VendorGL.iNet Affected all versions Fixed in 4.9.0 Patch available CNA
- MT3000 VendorGL.iNet Affected all versions Fixed in 4.9.0 Patch available CNA
- MT6000 VendorGL.iNet Affected all versions Fixed in 4.9.0 Patch available CNA
- X3000 VendorGL.iNet Affected all versions Fixed in 4.9.0 Patch available CNA
- XE3000 VendorGL.iNet Affected all versions Fixed in 4.9.0 Patch available CNA
CPE names CNA · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gl.inet:a1300:*:*:*:*:*:*:*:* | — | — | — |
| cpe:2.3:a:gl.inet:ax1800:*:*:*:*:*:*:*:* | — | — | — |
| cpe:2.3:a:gl.inet:axt1800:*:*:*:*:*:*:*:* | — | — | — |
| cpe:2.3:a:gl.inet:mt2500:*:*:*:*:*:*:*:* | — | — | — |
| cpe:2.3:a:gl.inet:mt3000:*:*:*:*:*:*:*:* | — | — | — |
| cpe:2.3:a:gl.inet:mt6000:*:*:*:*:*:*:*:* | — | — | — |
| cpe:2.3:a:gl.inet:x3000:*:*:*:*:*:*:*:* | — | — | — |
| cpe:2.3:a:gl.inet:xe3000:*:*:*:*:*:*:*:* | — | — | — |
- cpe:2.3:a:gl.inet:a1300:*:*:*:*:*:*:*:* Versions — — ·—
- cpe:2.3:a:gl.inet:ax1800:*:*:*:*:*:*:*:* Versions — — ·—
- cpe:2.3:a:gl.inet:axt1800:*:*:*:*:*:*:*:* Versions — — ·—
- cpe:2.3:a:gl.inet:mt2500:*:*:*:*:*:*:*:* Versions — — ·—
- cpe:2.3:a:gl.inet:mt3000:*:*:*:*:*:*:*:* Versions — — ·—
- cpe:2.3:a:gl.inet:mt6000:*:*:*:*:*:*:*:* Versions — — ·—
- cpe:2.3:a:gl.inet:x3000:*:*:*:*:*:*:*:* Versions — — ·—
- cpe:2.3:a:gl.inet:xe3000:*:*:*:*:*:*:*:* Versions — — ·—
Remediation
- Fix · CNA A1300 (GL.iNet) Fixed in 4.9.0
- Fix · CNA AX1800 (GL.iNet) Fixed in 4.9.0
- Fix · CNA AXT1800 (GL.iNet) Fixed in 4.9.0
- Fix · CNA MT2500 (GL.iNet) Fixed in 4.9.0
- Fix · CNA MT3000 (GL.iNet) Fixed in 4.9.0
- Fix · CNA MT6000 (GL.iNet) Fixed in 4.9.0
- Fix · CNA X3000 (GL.iNet) Fixed in 4.9.0
- Fix · CNA XE3000 (GL.iNet) Fixed in 4.9.0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-19983
- 2026-10-03 Alias added: GHSA-q36r-pjg6-prm8
References
More GL.iNet vulnerabilities
- TI-2026-21387 GL-iNet GL-AR300M16 v4.3.11 was discovered to contain a command injection vulnerability… CVSS 3.1CRITICAL 9.8
- TI-2024-26219 GL-iNet products AR750/AR750S/AR300M/AR300M16/MT300N-V2/B1300/MT1300/SFT1200/X750… CVSS 3.1CRITICAL 9.8
- TI-2023-27815 An issue was discovered on GL.iNet devices before version 4.5.0. CVSS 3.1CRITICAL 9.8
- TI-2023-15082 An issue was discovered on GL.iNet devices before 3.216. CVSS 3.1CRITICAL 9.8
- TI-2023-14015 GL.iNET MT3000 4.1.0 Release 2 is vulnerable to OS Command Injection via /usr/lib/oui-httpd/rpc/logread. CVSS 3.1CRITICAL 9.8
- TI-2026-15312 GL.iNet GL-MT3000 nas-web RPC Wrapper glc nas-web.add_user command injection CVSS 4.0CRITICAL 9.3
Sources
- CVE-2026-19983 · CVE Program
- CVE-2026-19983 · NVD
- FIRST EPSS
- GHSA-q36r-pjg6-prm8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences