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8.9
CVE-2026-9475: Totolink A8000RU Web Interface Allows Unwanted System Commands
CVE-2026-9475
Summary
A security flaw in the Totolink A8000RU's web interface could allow an attacker to execute unauthorized system commands. This could happen if someone gains access to the router's management page. To protect your network, consider updating the router's firmware or changing the default password to prevent unauthorized access.
Original title
A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setIpQosRules of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This mani...
Original description
A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setIpQosRules of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This manipulation of the argument Comment causes os command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.
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