CVE-2026-9534 Totolink CA750-PoE Setting cstecgi.cgi setWiFiWpsConfig os command injection
Remote attackers can execute arbitrary OS commands via the PIN argument in the WPS configuration handler of Totolink CA750-PoE devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-9534?
CVE-2026-9534 is a medium-severity command injection vulnerability in Totolink CA750-PoE, published on 26 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw has been found in Totolink CA750-PoE 6.2c.510. This affects the function setWiFiWpsConfig of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Executing a manipulation of the argument PIN can lead to os command injection. It is possible to launch the attack remotely. The exploit has been published and may be used.
Which versions are affected by CVE-2026-9534?
How do I fix CVE-2026-9534?
No fix has been published for CVE-2026-9534 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-2026-9534 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9534 exists.
Sources
Also known as GHSA-2wm4-fmvg-pxj4.