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

5.3MEDIUM

Key Information:

Vendor

D-link
Status
Dir-823g
Vendor
CVE Published:
8 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-11492?

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.

Affected Version(s)

DIR-823G 1.0.2B05

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-11492 - Proof of Concept

References

https://vuldb.com/vuln/369112
vdb-entry
https://vuldb.com/vuln/369112/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-11492
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

L-14 (VulDB User)
.