CVE-2026-19830 TRENDnet TEW-816DRM bftpd bftpd.conf allocation of resources
Remote attackers can cause resource exhaustion in the bftpd service of unsupported TRENDnet routers, leading to denial of service.
- 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-2026-19830?
CVE-2026-19830 is a medium-severity denial of service vulnerability in TRENDnet TEW-816DRM, published on 14 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was found in TRENDnet TEW-816DRM GURNC4.OT182B-C-TN-R1B028-US.EN. This impacts an unknown function of the file /etc/bftpd.conf of the component bftpd. The manipulation of the argument USERLIMIT_GLOBAL results in allocation of resources. It is possible to launch the attack remotely. This vulnerability only affects products that are no longer supported by the maintainer.
Which versions are affected by CVE-2026-19830?
How do I fix CVE-2026-19830?
No fix has been published for CVE-2026-19830 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-19830 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19830 exists.
Sources
Also known as GHSA-jj6h-h6xp-phmh.