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CVE-2026-18686criticalCWE-74CWE-77

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

45Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 9.3
exploitation probability
observed exploitation
nono source reports it
1 public exploit(s)
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.
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
Affected products
GL.iNet · GL-MT3000
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.