CVE-2026-9432
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 setWiFiAdvancedCfg function in /cgi-bin/cstecgi.cgi, where the bgProtection argument is mishandled. The attack can be launched remotely and the exploit is public.
Risk Assessment
A remote attacker can alter advanced Wi-Fi settings and potentially disrupt the wireless network.
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 vulnerability affects the function setWiFiAdvancedCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument bgProtection results in os command injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.