CVE-2026-19893 D-Link DIR-842 vsftpd vsftpd.conf default permission
Incorrect default permissions in vsftpd configuration on D-Link DIR-842 routers allow remote attackers to potentially read or modify data.
- 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-2026-19893?
CVE-2026-19893 is a low-severity vulnerability in D-Link DIR-842, published on 15 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was identified in D-Link DIR-842 2.01.B04. This impacts an unknown function of the file /etc/vsftpd.conf of the component vsftpd. Such manipulation leads to incorrect default permissions. It is possible to launch the attack remotely. A high complexity level is associated with this attack. The exploitability is said to be difficult.
Which versions are affected by CVE-2026-19893?
How do I fix CVE-2026-19893?
No fix has been published for CVE-2026-19893 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-19893 being exploited?
There is no known exploitation of CVE-2026-19893 in the wild and no public exploit code.
Sources
Also known as GHSA-6627-49xg-7jhr.