CVE-2026-7037 Totolink A8000RU CGI cstecgi.cgi setVpnPassCfg os command injection
Remote attackers can execute arbitrary OS commands via the setVpnPassCfg function in Totolink A8000RU routers.
- 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-2026-7037?
CVE-2026-7037 is a critical command injection vulnerability in Totolink A8000RU, published on 26 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setVpnPassCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument pptpPassThru results in os command injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.
Which versions are affected by CVE-2026-7037?
How do I fix CVE-2026-7037?
No fix has been published for CVE-2026-7037 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-2026-7037 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7037 exists.
Sources
Also known as GHSA-hgx7-2m9g-qmf8.