OS Command Injection in Archer BE450 and Archer BE7200 - CVE-2026-5509
Published: June 2, 2026
Vulnerability identifier: #VU133229
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2026-5509
CWE-ID: CWE-78
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: TP-Link
Affected software:
Archer BE450
Archer BE7200
Archer BE450
Archer BE7200
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation. A remote administrator on the local network can pass specially crafted data to the application and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2026-5509
Install updates from vendor's website.