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CVE-2026-5509— Arbitrary Command Injection via Browser Developer Console in TP-Link Archer BE450 and BE7200

Quick assessment

Affected
TP-Link Systems Inc. Archer BE7200 V1
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TP-Link Archer BE7200和TP-Link Archer BE450都是中国普联（TP-Link）公司的一款Wi-Fi 7双频无线路由器。 TP-Link Archer BE450 v1版本和TP-Link Archer BE7200 v1版本存在安全漏洞，该漏洞源于命令注入，可能导致管理员通过Web管理界面执行任意系统命令，启动未授权服务、修改系统配置或完全破坏路由器运行环境。

AI Predicted 8.1 Difficulty: Easy EPSS 2.46% · P84

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
TP-Link Systems Inc. Archer BE450 v1 < 1.3.0 Build 20260416 affected
TP-Link Systems Inc. Archer BE7200 V1 < 1.3.0 Build 20260416 affected
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I. Basic Information for CVE-2026-5509

Vulnerability Information
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Vulnerability Title
Arbitrary Command Injection via Browser Developer Console in TP-Link Archer BE450 and BE7200
Source: CVE Program / CVE List V5
Vulnerability Description
An authenticated command injection vulnerability exists in the Archer BE450 v1 and BE7200 v1 router that allows an administrator to execute arbitrary system commands through the web management interface. After successfully authenticating to the admin interface, an attacker can leverage the browser’s developer console by supplying a crafted input that is passed to backend system commands without adequate sanitization. Successful exploitation enables execution of arbitrary commands with elevated privileges on the device, which may allow the attacker to start unauthorized services, modify system configuration, or otherwise fully compromise the router’s operating environment.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
TP-Link Archer BE7200和TP-Link Archer BE450 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-Link Archer BE7200和TP-Link Archer BE450都是中国普联（TP-Link）公司的一款Wi-Fi 7双频无线路由器。 TP-Link Archer BE450 v1版本和TP-Link Archer BE7200 v1版本存在安全漏洞，该漏洞源于命令注入，可能导致管理员通过Web管理界面执行任意系统命令，启动未授权服务、修改系统配置或完全破坏路由器运行环境。
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
TP-Link Systems Inc. Archer BE7200 V1 0 ~ 1.3.0 Build 20260416 -
TP-Link Systems Inc. Archer BE450 v1 0 ~ 1.3.0 Build 20260416 -

II. Public POCs for CVE-2026-5509

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III. Intelligence Information for CVE-2026-5509

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Vendor Advisories for CVE-2026-5509 (2)

Vendor Pages for CVE-2026-5509 (3)

IV. Related Vulnerabilities

Same vendor: TP-Link Systems Inc.
Same weakness: CWE-20