Least Privilege Violation in D-Link DIR-823G vsftpd Configuration

Publication date: 2026-06-08

Last updated on: 2026-06-09

Assigner: VulDB

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.

CVSS Scores

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Meta Information

Published

2026-06-08

Last Modified

2026-06-09

Generated

2026-06-29

AI Q&A

2026-06-08

EPSS Evaluated

2026-06-27

NVD

CVE-2026-11492

EUVD

EUVD-2026-35023

Affected Vendors & Products

Vendor	Product	Version / Range
dlink	dir-823g_firmware	1.0.2b05

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-266	A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor.
CWE-272	The elevated privilege level required to perform operations such as chroot() should be dropped immediately after the operation is performed.

Attack-Flow Graph

Impact Analysis

The vulnerability can lead to a least privilege violation, meaning an attacker could gain higher privileges than intended on the affected device. Since the attack can be performed remotely and an exploit is publicly available, it increases the risk of unauthorized access or control over the device.

Executive Summary

This vulnerability is a security flaw found in the D-Link DIR-823G device, specifically in an unknown function within the /etc/vsftpd.conf file of the vsftpd component. It allows an attacker to perform a manipulation that results in a least privilege violation. The attack can be initiated remotely, and an exploit for this vulnerability has been publicly released.

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