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CVE-2026-18614— GL-iNet GL-MT3000 s2s.so Native Plugin glc s2s.enable_echo_server command injection

Quick assessment

Affected
GL-iNet GL-MT3000
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GL-iNet GL-MT3000 firmware是中国GL-iNet公司的一款便携无线路由器的固件程序。 GL-iNet GL-MT3000 firmware 4.4.5及之前版本存在安全漏洞，该漏洞源于s2s.so Native Plugin组件中/cgi-bin/glc文件的s2s.enable_echo_server函数对port参数操作不当，可能导致命令注入。

CVSS 9.8 · Critical EPSS 3.62% · P89

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 6

VendorProduct Version RangeStatus
GL-iNet GL-MT3000 4.4.0 affected
4.4.1 affected
4.4.2 affected
4.4.3 affected
4.4.4 affected
4.4.5 affected
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I. Basic Information for CVE-2026-18614

Vulnerability Information
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Vulnerability Title
GL-iNet GL-MT3000 s2s.so Native Plugin glc s2s.enable_echo_server command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in GL-iNet GL-MT3000 up to 4.4.5. Impacted is the function s2s.enable_echo_server of the file /cgi-bin/glc of the component s2s.so Native Plugin. Performing a manipulation of the argument port results in command injection. The attack may be initiated remotely. The exploit has been made public and could 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
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
GL-iNet GL-MT3000 firmware 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GL-iNet GL-MT3000 firmware是中国GL-iNet公司的一款便携无线路由器的固件程序。 GL-iNet GL-MT3000 firmware 4.4.5及之前版本存在安全漏洞，该漏洞源于s2s.so Native Plugin组件中/cgi-bin/glc文件的s2s.enable_echo_server函数对port参数操作不当，可能导致命令注入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
GL-iNet GL-MT3000 4.4.0 cpe:2.3:o:gl-inet:gl-mt3000_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-18614

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 11922 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-18614

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Other References for CVE-2026-18614 (1)

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

CVE-2026-18612 9.8 CRITICAL GL-iNet GL-MT3000 plugins.so Native Plugin glc plugins.install_package command injection
CVE-2026-18613 9.8 CRITICAL GL-iNet GL-MT3000 plugins.so Native Plugin glc plugins.set_config injection
CVE-2026-18615 9.8 CRITICAL GL-iNet GL-MT3000 wg-server.so Native Plugin glc wg-server.generate_publickey command inje
CVE-2026-18616 9.8 CRITICAL GL-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-77

V. Comments for CVE-2026-18614

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