CVE-2026-5509 PUBLISHED

Arbitrary Command Injection via Browser Developer Console in TP-Link Archer BE450 and BE7200

Assigner: TPLink
Reserved: 03.04.2026 Published: 27.05.2026 Updated: 28.05.2026

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.

Metrics

CVSS Vector: 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
CVSS Score: 8.5

Product Status

Vendor TP-Link Systems Inc.
Product Archer BE7200 V1
Versions Default: unaffected
  • affected from 0 to 1.3.0 Build 20260416 (excl.)
Vendor TP-Link Systems Inc.
Product Archer BE450 v1
Versions Default: unaffected
  • affected from 0 to 1.3.0 Build 20260416 (excl.)

Credits

  • Chuya Hayakawa of 00One, Inc. finder

References

Problem Types

  • CWE-20 Improper Input Validation CWE

Impacts

  • CAPEC-242 Code Injection