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8.9
CVE-2026-9405: Totolink A8000RU Web Management Interface Remote Code Execution
CVE-2026-9405
Summary
The Totolink A8000RU's Web Management Interface has a security flaw that could allow hackers to run their own code on the device. This could happen if an attacker sends a special request to the device's web interface. To protect your device, consider updating the firmware to the latest version.
Original title
A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. This impacts the function setGameSpeedCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Pe...
Original description
A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. This impacts the function setGameSpeedCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation of the argument enable results in os command injection. Remote exploitation of the attack is possible. The exploit has been released to the public and may 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