CVE-2026-18686 PUBLISHED

GL.iNet GL-MT3000 nas-web RPC Wrapper glc nas-web.add_user command injection

Assigner: VulDB
Reserved: 03.08.2026 Published: 04.08.2026 Updated: 04.08.2026

A vulnerability was detected in GL.iNet GL-MT3000 up to 4.4.5. The affected element is the function nas-web.add_user of the file /cgi-bin/glc of the component nas-web RPC Wrapper. Performing a manipulation results in command injection. The attack can be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
CVSS Score: 9.3

Product Status

Vendor GL.iNet
Product GL-MT3000
Versions
  • Version 4.4.0 is affected
  • Version 4.4.1 is affected
  • Version 4.4.2 is affected
  • Version 4.4.3 is affected
  • Version 4.4.4 is affected
  • Version 4.4.5 is affected

Credits

  • coconut (VulDB User) reporter
  • VulDB CNA Team coordinator

References

Problem Types

  • Command Injection CWE
  • Injection CWE