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CVE-2026-19982— GL.iNet BE9300/MT6000 Firewall-management RPC os command injection

Quick assessment

Affected
GL.iNet BE9300
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.

在 GL.iNet BE9300 和 MT6000 路由器的 4.8.x 版本中检测到一处安全漏洞。该漏洞影响防火墙管理 RPC 组件中的未知代码。通过操控参数 和 ，可导致操作系统命令注入。此攻击可由远程触发。升级至 4.9.0 版本可解决该问题。建议升级受影响的组件。供应商说明：“经我们调查确认，所描述的漏洞确实存在。”

CVSS 7.4 · High EPSS 1.77% · P77

Affected Version Matrix 4

VendorProduct Version RangeStatus
GL.iNet BE9300 4.8.* affected
4.9.0 unaffected
GL.iNet MT6000 4.8.* affected
4.9.0 unaffected
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I. Basic Information for CVE-2026-19982

Vulnerability Information
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Vulnerability Title
GL.iNet BE9300/MT6000 Firewall-management RPC os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in GL.iNet BE9300 and MT6000 4.8.x. This vulnerability affects unknown code of the component Firewall-management RPC. The manipulation of the argument dest_port/dest_ip leads to os command injection. The attack may be initiated remotely. Upgrading to version 4.9.0 is able to resolve this issue. The affected component should be upgraded. The vendor explains: "After our investigation, we have confirmed that the vulnerability described (...) does indeed exist."
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
GL.iNet BE9300 4.8.* cpe:2.3:a:gl.inet:be9300:*:*:*:*:*:*:*:*
GL.iNet MT6000 4.8.* cpe:2.3:a:gl.inet:mt6000:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-19982

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 7772 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-2026-19982

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Vendor Advisories for CVE-2026-19982 (2)

News Coverage for CVE-2026-19982 (1)

Other References for CVE-2026-19982 (1)

Same Patch Batch · GL.iNet · 2026-08-17 · 5 CVEs total

CVE-2026-19979 8.3 HIGH GL.iNet XE3000 WebDAV Service MOVE authorization
CVE-2026-19983 8.3 HIGH GL.iNet XE3000 NAS Command Service gl_nas_sys os command injection
CVE-2026-19980 7.4 HIGH GL.iNet XE3000 Language Update ui.update_langs code injection
CVE-2026-19981 7.4 HIGH GL.iNet XE3000 Wi-Fi Timer Power-Schedule Feature os command injection

IV. Related Vulnerabilities

Same product: BE9300
Same vendor: GL.iNet
Same weakness: CWE-78

V. Comments for CVE-2026-19982

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