CVE-2026-108804 TRENDnet TEW-751DR/TEW-752DRU/TEW733GR Web Management Backend pigwidgeon.cgi fwrite os command injection
Remote attackers can execute arbitrary OS commands via the pigwidgeon.cgi script in unsupported TRENDnet 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-2026-108804?
CVE-2026-108804 is a critical command injection vulnerability in TRENDnet TEW-751DR, published on 12 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was detected in TRENDnet TEW-751DR, TEW-752DRU and TEW733GR 1.03B01/1.03B03. Affected is the function fwrite of the file pigwidgeon.cgi of the component Web Management Backend. The manipulation of the argument service results in os command injection. It is possible to launch the attack remotely. The exploit is now public and may be used. The vendor confirms: "As this router was EOL'd in 2011, we have no way of testing if such vulnerability exists. We will notify our customers of a potential vulnerability on this product." This vulnerability only affects products that are no longer supported by the maintainer.
Which versions are affected by CVE-2026-108804?
How do I fix CVE-2026-108804?
No fix has been published for CVE-2026-108804 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-2026-108804 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108804 exists.
Sources
Also known as GHSA-7h8p-2xqf-85x7.