CVE-2026-11492 D-Link DIR-823G vsftpd vsftpd.conf least privilege violation

Medium 5.3 Published 8 Jun 2026 Updated 8 Jun 2026

Remote attackers can exploit a least privilege violation in the vsftpd configuration of D-Link DIR-823G routers to escalate privileges.

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-2026-11492?

CVE-2026-11492 is a medium-severity vulnerability in Dlink Dir-823g Firmware, published on 8 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A security flaw has been discovered in D-Link DIR-823G 1.0.2B05. The affected element is an unknown function of the file /etc/vsftpd.conf of the component vsftpd. Performing a manipulation results in least privilege violation. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.

Weakness: CWE-272, CWE-266

Which versions are affected by CVE-2026-11492?

It affects 1 product.

Products include Dlink Dir-823g Firmware.

How do I fix CVE-2026-11492?

No fix has been published for CVE-2026-11492 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-11492 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-11492 exists.

All Dlink Dir-823g Firmware vulnerabilities

Sources

Also known as GHSA-rhp9-667x-7qvw.