Medium severity · published Jun 7, 2026
CVE-2026-11449
GL.iNet GL-MT3000 LuCI JSON-RPC rpc rpc_sys command injection
6.3
CVSS
1.1%
EPSS
No
On KEV
Description
A security vulnerability has been detected in GL.iNet GL-MT3000 4.4.5. The impacted element is the function rpc_sys of the file /cgi-bin/luci/rpc of the component LuCI JSON-RPC Interface. Such manipulation leads to command injection. The attack may be performed from remote. Upgrading to version 4.8.1 is sufficient to resolve this issue. Upgrading the affected component is advised. The vendor confirms: "The issue discovered by the vulnerability researcher on older firmware versions(4.4.5) has actually been fixed and mitigated in the new version. According to the latest firmware fixes, by default, firmware versions after 4.7.13 do not install LuCI, so this vulnerability cannot be exploited."
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GL
GL-MT3000 · GL.iNet
4.4.5 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-11449
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-11449
fw.gl-inet.com
https://fw.gl-inet.com/firmware/mt3000/release/mt3000-4.8.1-0819-1755615825.tar
github.com
https://github.com/StrTzz123/iot_vul/tree/main/GL-iNet/MT3000/4.4.5/luci_rpc_sys_exec_rce
vuldb.com
https://vuldb.com/cve/CVE-2026-11449
vuldb.com
https://vuldb.com/submit/825385
vuldb.com
https://vuldb.com/vuln/369069
vuldb.com
https://vuldb.com/vuln/369069/cti
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