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CVE-2026-18613— GL-iNet GL-MT3000 plugins.so Native Plugin glc plugins.set_config injection

CVSS 9.8 · Critical

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 6

VendorProductVersion RangeStatus
GL-iNetGL-MT30004.4.0affected
4.4.1affected
4.4.2affected
4.4.3affected
4.4.4affected
4.4.5affected
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I. Basic Information for CVE-2026-18613

Vulnerability Information
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Vulnerability Title
GL-iNet GL-MT3000 plugins.so Native Plugin glc plugins.set_config injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in GL-iNet GL-MT3000 up to 4.4.5. This issue affects the function plugins.set_config of the file /cgi-bin/glc of the component plugins.so Native Plugin. Such manipulation leads to injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5

Affected Products

VendorProductAffected VersionsCPESubscribe
GL-iNetGL-MT3000 4.4.0 cpe:2.3:o:gl-inet:gl-mt3000_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-18613

#POC DescriptionSource LinkShenlong Link
AI-Generated POCVerified env Premium
Qwen3.6-35B-A3B · 11933 chars
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III. Intelligence Information for CVE-2026-18613

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News Coverage for CVE-2026-18613 (1)

Same Patch Batch · GL-iNet · 2026-08-03 · 5 CVEs total

CVE-2026-186129.8 CRITICALGL-iNet GL-MT3000 plugins.so Native Plugin glc plugins.install_package command injection
CVE-2026-186159.8 CRITICALGL-iNet GL-MT3000 wg-server.so Native Plugin glc wg-server.generate_publickey command inje
CVE-2026-186149.8 CRITICALGL-iNet GL-MT3000 s2s.so Native Plugin glc s2s.enable_echo_server command injection
CVE-2026-186169.8 CRITICALGL-iNet GL-MT3000 wg-server.so Native Plugin glc server.set_peer command injection

IV. Related Vulnerabilities

Same product: GL-MT3000
Same vendor: GL-iNet
Same weakness: CWE-74

V. Comments for CVE-2026-18613

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