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8.9
CVE-2026-9406: Totolink A8000RU Web Management Interface Remote Code Execution
CVE-2026-9406
Summary
A weakness in the Totolink A8000RU's web management interface allows an attacker to execute unauthorized commands on the device. This can happen when a specific option is manipulated in a way that allows the attacker to inject their own commands. To protect your device, update to the latest software version if available, or consider replacing the device with a newer model.
Original title
A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function setRemoteCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a...
Original description
A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function setRemoteCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument enable can lead to os command injection. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.
nvd CVSS2.0
10.0
nvd CVSS3.1
9.8
nvd CVSS4.0
8.9
Vulnerability type
CWE-77
Command Injection
CWE-78
OS Command Injection
Published: 25 May 2026 · Updated: 31 May 2026 · First seen: 26 May 2026