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8.9
CVE-2026-9478: Totolink A8000RU Web Management Interface Allows Remote Code Execution
CVE-2026-9478
Summary
The Totolink A8000RU's web management interface has a security weakness that allows an attacker to execute commands on the router from a remote location. This could be exploited to gain unauthorized access to the router or disrupt its function. To protect your router, update it to the latest version as soon as possible.
Original title
A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setParentalRules of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executi...
Original description
A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setParentalRules 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 may be performed from remote. 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: 1 Jun 2026 · First seen: 26 May 2026