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CVE-2026-11452— GL.iNet GL-MT3000 SET_USER_PWD glc FUN_0042e200 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是中国广联智通（GL.iNet）公司的一款支持Wi-Fi 6和VPN功能的便携式旅行路由器。 GL.iNet GL-MT3000 4.4.5及之前版本存在命令注入漏洞，该漏洞源于SET_USER_PWD Handler组件文件/cgi-bin/glc中函数FUN_0042e200对参数Password的错误操作，可能导致命令注入。

CVSS 7.3 · High EPSS 1.68% · P76

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 7

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
4.8.1 unaffected
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I. Basic Information for CVE-2026-11452

Vulnerability Information
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Vulnerability Title
GL.iNet GL-MT3000 SET_USER_PWD glc FUN_0042e200 command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in GL.iNet GL-MT3000 up to 4.4.5. Affected is the function FUN_0042e200 of the file /cgi-bin/glc of the component SET_USER_PWD Handler. The manipulation of the argument Password leads to command injection. The attack can be initiated remotely. Upgrading to version 4.8.1 is able to address this issue. The affected component should be upgraded. The vendor explains: " The current code escapes single quotes in the password parameter and handles it inside a shell single‑quote context. The payloads in the report, which rely on $() or backticks to trigger command substitution, are not executed under the current code path. We tested on a GL‑MT3000 device running firmware 4.8.1 using similar payloads, and no command‑execution marker file was created."
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
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 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GL.iNet GL-MT3000是中国广联智通（GL.iNet）公司的一款支持Wi-Fi 6和VPN功能的便携式旅行路由器。 GL.iNet GL-MT3000 4.4.5及之前版本存在命令注入漏洞，该漏洞源于SET_USER_PWD Handler组件文件/cgi-bin/glc中函数FUN_0042e200对参数Password的错误操作，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-2026-11452

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 12922 chars
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In-depth vulnerability mechanism
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Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-11452

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Other References for CVE-2026-11452 (1)

Same Patch Batch · GL.iNet · 2026-06-07 · 6 CVEs total

CVE-2026-11451 7.3 HIGH GL.iNet GL-MT3000 FTP Protocol glc snprintf command injection
CVE-2026-11450 7.3 HIGH GL.iNet GL-MT3000 Path Normalization dlopen command injection
CVE-2026-11449 6.3 MEDIUM GL.iNet GL-MT3000 LuCI JSON-RPC rpc rpc_sys command injection
CVE-2026-11447 6.3 MEDIUM GL.iNet GL-MT3000 MTK Backend iwinfo.so iwinfo_backend command injection
CVE-2026-11448 4.7 MEDIUM GL.iNet GL-MT3000 Minidlna Service rpc realpath command injection

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-11452

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