CVE-2026-7241 Totolink A8000RU CGI cstecgi.cgi setWiFiBasicCfg os command injection
Remote attackers can execute arbitrary OS commands on Totolink A8000RU routers via the setWiFiBasicCfg CGI handler.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-7241?
CVE-2026-7241 is a critical command injection vulnerability in Totolink A8000RU, published on 28 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument wifiOff results in os command injection. The attack is possible to be carried out remotely. The exploit has been made public and could be used.
Which versions are affected by CVE-2026-7241?
How do I fix CVE-2026-7241?
No fix has been published for CVE-2026-7241 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-7241 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7241 exists.
Sources
Also known as GHSA-4pm9-cvfw-h6fv.