CVE-2026-9405
CriticalCVSS 9.8Exploitation Probability (EPSS)
High risk75th percentile - higher than 75% of all known CVEs
Summary
A security flaw was discovered in the web management interface of Totolink A8000RU, leading to OS command injection. It affects the setGameSpeedCfg function in /cgi-bin/cstecgi.cgi, where the enable argument is mishandled. The attack can be launched remotely and the exploit is public.
Risk Assessment
A remote attacker can alter game acceleration settings, potentially affecting network performance and enabling further attacks.
Recommendation
Immediately update the router firmware or temporarily disable remote access to the management interface.
Original NVD description (English source)
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.