CVE-2026-75984 TRENDnet TEW-823DRU admin.cgi command injection

Medium 5.3 Published Updated

Remote attackers can execute arbitrary commands on TRENDnet TEW-823DRU routers via the Hostname argument in admin.cgi.

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-2026-75984?

CVE-2026-75984 is a medium-severity command injection vulnerability in TRENDnet TEW-823DRU, published on 19 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was detected in TRENDnet TEW-823DRU 1.1.02b01. Impacted is an unknown function of the file /cgi-bin/admin.cgi. The manipulation of the argument Hostname results in command injection. The attack can be launched remotely. The exploit is now public and may be used.

Weakness: CWE-77, CWE-74

Which versions are affected by CVE-2026-75984?

How do I fix CVE-2026-75984?

No fix has been published for CVE-2026-75984 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-2026-75984 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-75984 exists.

Sources

Also known as GHSA-8mjp-g8r8-8w7q.

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