CVE-2026-7242 Totolink A8000RU CGI cstecgi.cgi setOpenVpnClientCfg os command injection
Remote attackers can execute arbitrary OS commands on Totolink A8000RU routers via the setOpenVpnClientCfg 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-2026-7242?
CVE-2026-7242 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 determined in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setOpenVpnClientCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument enabled can lead to os command injection. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.
Which versions are affected by CVE-2026-7242?
How do I fix CVE-2026-7242?
No fix has been published for CVE-2026-7242 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-2026-7242 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7242 exists.
Sources
Also known as GHSA-vxq9-9r2j-r2jj.