CVE-2026-9532 Totolink CA750-PoE Setting cstecgi.cgi setUploadUserData os command injection
Remote attackers can execute arbitrary OS commands via the FileName argument in the setUploadUserData function of the Totolink CA750-PoE web interface.
- 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-2026-9532?
CVE-2026-9532 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 security vulnerability has been detected in Totolink CA750-PoE 6.2c.510. The affected element is the function setUploadUserData of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Such manipulation of the argument FileName leads to os command injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.
Which versions are affected by CVE-2026-9532?
How do I fix CVE-2026-9532?
No fix has been published for CVE-2026-9532 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-2026-9532 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9532 exists.
Sources
Also known as GHSA-mcj4-p9r9-g5ph.