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CVE-2026-18602— GL.iNet GL-MT3000 ovpn-client.so Native Plugin glc ovpn-client.get_recommend_config 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，该漏洞源于对文件/cgi-bin/glc中函数ovpn-client.get_recommend_config的Hostname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-2026-18602

Vulnerability Information
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Vulnerability Title
GL.iNet GL-MT3000 ovpn-client.so Native Plugin glc ovpn-client.get_recommend_config command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in GL.iNet GL-MT3000 up to 4.4.5. Affected is the function ovpn-client.get_recommend_config of the file /cgi-bin/glc of the component ovpn-client.so Native Plugin. Executing a manipulation of the argument Hostname can lead to command injection. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. 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，该漏洞源于对文件/cgi-bin/glc中函数ovpn-client.get_recommend_config的Hostname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-2026-18602

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 9992 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-2026-18602

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News Coverage for CVE-2026-18602 (1)

Same Patch Batch · GL.iNet · 2026-08-03 · 9 CVEs total

CVE-2026-18601 9.8 CRITICAL GL.iNet GL-MT3000 ovpn-client.so Native Plugin glc ovpn-client.check_config command inject
CVE-2026-18684 9.8 CRITICAL GL.iNet GL-MT3000 modem.so glc remove_profile command injection
CVE-2026-18685 9.8 CRITICAL GL.iNet GL-MT3000 modem.so glc set_upgrade command injection
CVE-2026-18598 8.8 HIGH GL.iNet GL-MT3000 Logread Lua RPC plugin logread logread.get_system_log command injection
CVE-2026-18600 8.8 HIGH GL.iNet GL-MT3000 Network Lua RPC Plugin network network.switch_status command injection
CVE-2026-18599 8.0 HIGH GL.iNet GL-MT3000 Logread Lua RPC Plugin logread logread.set_config command injection
CVE-2026-18584 5.4 MEDIUM GL.iNet E5800/E750/X2000/X3000/XE3000/XE300 eSIM LPA API v1 improper authorization
CVE-2026-18585 4.3 MEDIUM GL.iNet MT2500 APPS-NAS nas-web.get_file_list heap-based overflow

IV. Related Vulnerabilities

Same product: GL-MT3000
Same vendor: GL.iNet
Same weakness: CWE-77

V. Comments for CVE-2026-18602

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